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Finding the Fourth Proportional to 80,099.52, 110,537.90 and 43,801.12

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Solution

The fourth proportional to 80,099.52, 110,537.90 and 43,801.12 is: 60,445.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,099.52 : 110,537.90 = 43,801.12 : x
  2. Step 2: Convert to fraction form
    80,099.52/110,537.90 = 43,801.12/x
  3. Step 3: Cross multiply
    80,099.52x = 110,537.90 × 43,801.12
  4. Step 4: Simplify right side
    80,099.52x = 4,841,683,822.45
  5. Step 5: Solve for x
    x = 4,841,683,822.45/80,099.52
  6. Step 6: Final answer
    x = 60,445.85

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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.