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Finding the Fourth Proportional to 69,101.47, 95,361.87 and 38,887.87

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Solution

The fourth proportional to 69,101.47, 95,361.87 and 38,887.87 is: 53,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,101.47 : 95,361.87 = 38,887.87 : x
  2. Step 2: Convert to fraction form
    69,101.47/95,361.87 = 38,887.87/x
  3. Step 3: Cross multiply
    69,101.47x = 95,361.87 × 38,887.87
  4. Step 4: Simplify right side
    69,101.47x = 3,708,420,003.52
  5. Step 5: Solve for x
    x = 3,708,420,003.52/69,101.47
  6. Step 6: Final answer
    x = 53,666.30

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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.