Home / 89,728.24-134,593.38-38,429.96

Finding the Fourth Proportional to 89,728.24, 134,593.38 and 38,429.96

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Solution

The fourth proportional to 89,728.24, 134,593.38 and 38,429.96 is: 57,645.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,728.24 : 134,593.38 = 38,429.96 : x
  2. Step 2: Convert to fraction form
    89,728.24/134,593.38 = 38,429.96/x
  3. Step 3: Cross multiply
    89,728.24x = 134,593.38 × 38,429.96
  4. Step 4: Simplify right side
    89,728.24x = 5,172,418,209.66
  5. Step 5: Solve for x
    x = 5,172,418,209.66/89,728.24
  6. Step 6: Final answer
    x = 57,645.38

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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.