Home / 74,542.08-111,778.56-43,386.24

Finding the Fourth Proportional to 74,542.08, 111,778.56 and 43,386.24

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Solution

The fourth proportional to 74,542.08, 111,778.56 and 43,386.24 is: 65,059.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,542.08 : 111,778.56 = 43,386.24 : x
  2. Step 2: Convert to fraction form
    74,542.08/111,778.56 = 43,386.24/x
  3. Step 3: Cross multiply
    74,542.08x = 111,778.56 × 43,386.24
  4. Step 4: Simplify right side
    74,542.08x = 4,849,651,431.01
  5. Step 5: Solve for x
    x = 4,849,651,431.01/74,542.08
  6. Step 6: Final answer
    x = 65,059.24

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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.