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Finding the Fourth Proportional to 69,395, 95,765.10 and 39,587

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Solution

The fourth proportional to 69,395, 95,765.10 and 39,587 is: 54,630.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,395 : 95,765.10 = 39,587 : x
  2. Step 2: Convert to fraction form
    69,395/95,765.10 = 39,587/x
  3. Step 3: Cross multiply
    69,395x = 95,765.10 × 39,587
  4. Step 4: Simplify right side
    69,395x = 3,791,053,013.70
  5. Step 5: Solve for x
    x = 3,791,053,013.70/69,395
  6. Step 6: Final answer
    x = 54,630.06

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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.