Home / 89,856.55-123,997.62-54,039.61

Finding the Fourth Proportional to 89,856.55, 123,997.62 and 54,039.61

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Solution

The fourth proportional to 89,856.55, 123,997.62 and 54,039.61 is: 74,572.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,856.55 : 123,997.62 = 54,039.61 : x
  2. Step 2: Convert to fraction form
    89,856.55/123,997.62 = 54,039.61/x
  3. Step 3: Cross multiply
    89,856.55x = 123,997.62 × 54,039.61
  4. Step 4: Simplify right side
    89,856.55x = 6,700,783,025.73
  5. Step 5: Solve for x
    x = 6,700,783,025.73/89,856.55
  6. Step 6: Final answer
    x = 74,572.00

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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.