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Finding the Fourth Proportional to 71,027.38, 98,029.38 and 42,350.68

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Solution

The fourth proportional to 71,027.38, 98,029.38 and 42,350.68 is: 58,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,027.38 : 98,029.38 = 42,350.68 : x
  2. Step 2: Convert to fraction form
    71,027.38/98,029.38 = 42,350.68/x
  3. Step 3: Cross multiply
    71,027.38x = 98,029.38 × 42,350.68
  4. Step 4: Simplify right side
    71,027.38x = 4,151,610,902.98
  5. Step 5: Solve for x
    x = 4,151,610,902.98/71,027.38
  6. Step 6: Final answer
    x = 58,450.85

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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.