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Finding the Fourth Proportional to 60,939.90, 84,098.88 and 34,083.54

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Solution

The fourth proportional to 60,939.90, 84,098.88 and 34,083.54 is: 47,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,939.90 : 84,098.88 = 34,083.54 : x
  2. Step 2: Convert to fraction form
    60,939.90/84,098.88 = 34,083.54/x
  3. Step 3: Cross multiply
    60,939.90x = 84,098.88 × 34,083.54
  4. Step 4: Simplify right side
    60,939.90x = 2,866,387,540.44
  5. Step 5: Solve for x
    x = 2,866,387,540.44/60,939.90
  6. Step 6: Final answer
    x = 47,036.30

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1.5x scale

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.