Home / 89,723.58-123,818.68-48,887.52

Finding the Fourth Proportional to 89,723.58, 123,818.68 and 48,887.52

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Solution

The fourth proportional to 89,723.58, 123,818.68 and 48,887.52 is: 67,464.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,723.58 : 123,818.68 = 48,887.52 : x
  2. Step 2: Convert to fraction form
    89,723.58/123,818.68 = 48,887.52/x
  3. Step 3: Cross multiply
    89,723.58x = 123,818.68 × 48,887.52
  4. Step 4: Simplify right side
    89,723.58x = 6,053,188,194.87
  5. Step 5: Solve for x
    x = 6,053,188,194.87/89,723.58
  6. Step 6: Final answer
    x = 67,464.85

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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.