Home / 74,195.24-111,303.78-21,597.80

Finding the Fourth Proportional to 74,195.24, 111,303.78 and 21,597.80

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Solution

The fourth proportional to 74,195.24, 111,303.78 and 21,597.80 is: 32,399.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,195.24 : 111,303.78 = 21,597.80 : x
  2. Step 2: Convert to fraction form
    74,195.24/111,303.78 = 21,597.80/x
  3. Step 3: Cross multiply
    74,195.24x = 111,303.78 × 21,597.80
  4. Step 4: Simplify right side
    74,195.24x = 2,403,916,779.68
  5. Step 5: Solve for x
    x = 2,403,916,779.68/74,195.24
  6. Step 6: Final answer
    x = 32,399.88

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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.