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Finding the Fourth Proportional to 69,085, 95,337.30 and 39,277

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Solution

The fourth proportional to 69,085, 95,337.30 and 39,277 is: 54,202.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,085 : 95,337.30 = 39,277 : x
  2. Step 2: Convert to fraction form
    69,085/95,337.30 = 39,277/x
  3. Step 3: Cross multiply
    69,085x = 95,337.30 × 39,277
  4. Step 4: Simplify right side
    69,085x = 3,744,563,132.10
  5. Step 5: Solve for x
    x = 3,744,563,132.10/69,085
  6. Step 6: Final answer
    x = 54,202.26

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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.