Home / 89,729.44-123,819.28-52,006.56

Finding the Fourth Proportional to 89,729.44, 123,819.28 and 52,006.56

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Solution

The fourth proportional to 89,729.44, 123,819.28 and 52,006.56 is: 71,764.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,729.44 : 123,819.28 = 52,006.56 : x
  2. Step 2: Convert to fraction form
    89,729.44/123,819.28 = 52,006.56/x
  3. Step 3: Cross multiply
    89,729.44x = 123,819.28 × 52,006.56
  4. Step 4: Simplify right side
    89,729.44x = 6,439,414,814.48
  5. Step 5: Solve for x
    x = 6,439,414,814.48/89,729.44
  6. Step 6: Final answer
    x = 71,764.79

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1.5x scale

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.