Home / 85,753.13-118,342.98-49,937.36

Finding the Fourth Proportional to 85,753.13, 118,342.98 and 49,937.36

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Solution

The fourth proportional to 85,753.13, 118,342.98 and 49,937.36 is: 68,915.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,753.13 : 118,342.98 = 49,937.36 : x
  2. Step 2: Convert to fraction form
    85,753.13/118,342.98 = 49,937.36/x
  3. Step 3: Cross multiply
    85,753.13x = 118,342.98 × 49,937.36
  4. Step 4: Simplify right side
    85,753.13x = 5,909,735,404.02
  5. Step 5: Solve for x
    x = 5,909,735,404.02/85,753.13
  6. Step 6: Final answer
    x = 68,915.69

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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.