Home / 71,312.24-98,414.52-39,484.64

Finding the Fourth Proportional to 71,312.24, 98,414.52 and 39,484.64

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Solution

The fourth proportional to 71,312.24, 98,414.52 and 39,484.64 is: 54,490.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,312.24 : 98,414.52 = 39,484.64 : x
  2. Step 2: Convert to fraction form
    71,312.24/98,414.52 = 39,484.64/x
  3. Step 3: Cross multiply
    71,312.24x = 98,414.52 × 39,484.64
  4. Step 4: Simplify right side
    71,312.24x = 3,885,861,892.97
  5. Step 5: Solve for x
    x = 3,885,861,892.97/71,312.24
  6. Step 6: Final answer
    x = 54,490.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.