Home / 89,595.17-123,589.90-56,002.85

Finding the Fourth Proportional to 89,595.17, 123,589.90 and 56,002.85

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Solution

The fourth proportional to 89,595.17, 123,589.90 and 56,002.85 is: 77,251.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,595.17 : 123,589.90 = 56,002.85 : x
  2. Step 2: Convert to fraction form
    89,595.17/123,589.90 = 56,002.85/x
  3. Step 3: Cross multiply
    89,595.17x = 123,589.90 × 56,002.85
  4. Step 4: Simplify right side
    89,595.17x = 6,921,386,631.22
  5. Step 5: Solve for x
    x = 6,921,386,631.22/89,595.17
  6. Step 6: Final answer
    x = 77,251.78

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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.