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Finding the Fourth Proportional to 82,500.70, 123,750.93 and 29,910.10

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Solution

The fourth proportional to 82,500.70, 123,750.93 and 29,910.10 is: 44,865.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,500.70 : 123,750.93 = 29,910.10 : x
  2. Step 2: Convert to fraction form
    82,500.70/123,750.93 = 29,910.10/x
  3. Step 3: Cross multiply
    82,500.70x = 123,750.93 × 29,910.10
  4. Step 4: Simplify right side
    82,500.70x = 3,701,402,691.39
  5. Step 5: Solve for x
    x = 3,701,402,691.39/82,500.70
  6. Step 6: Final answer
    x = 44,865.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.