Home / 71,433.28-107,253.60-52,770.88

Finding the Fourth Proportional to 71,433.28, 107,253.60 and 52,770.88

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Solution

The fourth proportional to 71,433.28, 107,253.60 and 52,770.88 is: 79,232.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,433.28 : 107,253.60 = 52,770.88 : x
  2. Step 2: Convert to fraction form
    71,433.28/107,253.60 = 52,770.88/x
  3. Step 3: Cross multiply
    71,433.28x = 107,253.60 × 52,770.88
  4. Step 4: Simplify right side
    71,433.28x = 5,659,866,855.17
  5. Step 5: Solve for x
    x = 5,659,866,855.17/71,433.28
  6. Step 6: Final answer
    x = 79,232.91

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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.