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Finding the Fourth Proportional to 71,793.48, 107,686.26 and 25,049.64

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Solution

The fourth proportional to 71,793.48, 107,686.26 and 25,049.64 is: 37,573.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,793.48 : 107,686.26 = 25,049.64 : x
  2. Step 2: Convert to fraction form
    71,793.48/107,686.26 = 25,049.64/x
  3. Step 3: Cross multiply
    71,793.48x = 107,686.26 × 25,049.64
  4. Step 4: Simplify right side
    71,793.48x = 2,697,502,045.95
  5. Step 5: Solve for x
    x = 2,697,502,045.95/71,793.48
  6. Step 6: Final answer
    x = 37,573.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.