Home / 71,795.40-99,082.35-47,906.88

Finding the Fourth Proportional to 71,795.40, 99,082.35 and 47,906.88

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Solution

The fourth proportional to 71,795.40, 99,082.35 and 47,906.88 is: 66,114.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,795.40 : 99,082.35 = 47,906.88 : x
  2. Step 2: Convert to fraction form
    71,795.40/99,082.35 = 47,906.88/x
  3. Step 3: Cross multiply
    71,795.40x = 99,082.35 × 47,906.88
  4. Step 4: Simplify right side
    71,795.40x = 4,746,726,251.57
  5. Step 5: Solve for x
    x = 4,746,726,251.57/71,795.40
  6. Step 6: Final answer
    x = 66,114.63

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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.