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Finding the Fourth Proportional to 60,354.90, 83,270.45 and 34,857.88

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Solution

The fourth proportional to 60,354.90, 83,270.45 and 34,857.88 is: 48,092.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,354.90 : 83,270.45 = 34,857.88 : x
  2. Step 2: Convert to fraction form
    60,354.90/83,270.45 = 34,857.88/x
  3. Step 3: Cross multiply
    60,354.90x = 83,270.45 × 34,857.88
  4. Step 4: Simplify right side
    60,354.90x = 2,902,631,232.61
  5. Step 5: Solve for x
    x = 2,902,631,232.61/60,354.90
  6. Step 6: Final answer
    x = 48,092.72

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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.