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Finding the Fourth Proportional to 71,888.92, 107,805.30 and 27,500.92

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Solution

The fourth proportional to 71,888.92, 107,805.30 and 27,500.92 is: 41,240.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,888.92 : 107,805.30 = 27,500.92 : x
  2. Step 2: Convert to fraction form
    71,888.92/107,805.30 = 27,500.92/x
  3. Step 3: Cross multiply
    71,888.92x = 107,805.30 × 27,500.92
  4. Step 4: Simplify right side
    71,888.92x = 2,964,744,930.88
  5. Step 5: Solve for x
    x = 2,964,744,930.88/71,888.92
  6. Step 6: Final answer
    x = 41,240.64

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1.5x scale

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.