Home / 89,471.10-123,470.52-49,187.46

Finding the Fourth Proportional to 89,471.10, 123,470.52 and 49,187.46

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Solution

The fourth proportional to 89,471.10, 123,470.52 and 49,187.46 is: 67,878.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,471.10 : 123,470.52 = 49,187.46 : x
  2. Step 2: Convert to fraction form
    89,471.10/123,470.52 = 49,187.46/x
  3. Step 3: Cross multiply
    89,471.10x = 123,470.52 × 49,187.46
  4. Step 4: Simplify right side
    89,471.10x = 6,073,201,263.68
  5. Step 5: Solve for x
    x = 6,073,201,263.68/89,471.10
  6. Step 6: Final answer
    x = 67,878.92

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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.