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Finding the Fourth Proportional to 69,338.56, 95,680.02 and 39,125.56

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Solution

The fourth proportional to 69,338.56, 95,680.02 and 39,125.56 is: 53,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,338.56 : 95,680.02 = 39,125.56 : x
  2. Step 2: Convert to fraction form
    69,338.56/95,680.02 = 39,125.56/x
  3. Step 3: Cross multiply
    69,338.56x = 95,680.02 × 39,125.56
  4. Step 4: Simplify right side
    69,338.56x = 3,743,534,363.31
  5. Step 5: Solve for x
    x = 3,743,534,363.31/69,338.56
  6. Step 6: Final answer
    x = 53,989.21

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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.