Home / 71,246.40-98,319.60-39,414.62

Finding the Fourth Proportional to 71,246.40, 98,319.60 and 39,414.62

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Solution

The fourth proportional to 71,246.40, 98,319.60 and 39,414.62 is: 54,391.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,246.40 : 98,319.60 = 39,414.62 : x
  2. Step 2: Convert to fraction form
    71,246.40/98,319.60 = 39,414.62/x
  3. Step 3: Cross multiply
    71,246.40x = 98,319.60 × 39,414.62
  4. Step 4: Simplify right side
    71,246.40x = 3,875,229,180.95
  5. Step 5: Solve for x
    x = 3,875,229,180.95/71,246.40
  6. Step 6: Final answer
    x = 54,391.93

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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.