Home / 71,266.25-98,331.81-42,581.61

Finding the Fourth Proportional to 71,266.25, 98,331.81 and 42,581.61

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Solution

The fourth proportional to 71,266.25, 98,331.81 and 42,581.61 is: 58,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,266.25 : 98,331.81 = 42,581.61 : x
  2. Step 2: Convert to fraction form
    71,266.25/98,331.81 = 42,581.61/x
  3. Step 3: Cross multiply
    71,266.25x = 98,331.81 × 42,581.61
  4. Step 4: Simplify right side
    71,266.25x = 4,187,126,784.01
  5. Step 5: Solve for x
    x = 4,187,126,784.01/71,266.25
  6. Step 6: Final answer
    x = 58,753.29

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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.