Home / 74,152.26-111,228.36-29,779.01

Finding the Fourth Proportional to 74,152.26, 111,228.36 and 29,779.01

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Solution

The fourth proportional to 74,152.26, 111,228.36 and 29,779.01 is: 44,668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,152.26 : 111,228.36 = 29,779.01 : x
  2. Step 2: Convert to fraction form
    74,152.26/111,228.36 = 29,779.01/x
  3. Step 3: Cross multiply
    74,152.26x = 111,228.36 × 29,779.01
  4. Step 4: Simplify right side
    74,152.26x = 3,312,269,888.58
  5. Step 5: Solve for x
    x = 3,312,269,888.58/74,152.26
  6. Step 6: Final answer
    x = 44,668.50

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Half scale
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Double scale
Find fourth proportional to 74,153.26, 111,229.86 and 29,780.01
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.