Home / 89,565.40-123,597.70-49,279.19

Finding the Fourth Proportional to 89,565.40, 123,597.70 and 49,279.19

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Solution

The fourth proportional to 89,565.40, 123,597.70 and 49,279.19 is: 68,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,565.40 : 123,597.70 = 49,279.19 : x
  2. Step 2: Convert to fraction form
    89,565.40/123,597.70 = 49,279.19/x
  3. Step 3: Cross multiply
    89,565.40x = 123,597.70 × 49,279.19
  4. Step 4: Simplify right side
    89,565.40x = 6,090,793,800.68
  5. Step 5: Solve for x
    x = 6,090,793,800.68/89,565.40
  6. Step 6: Final answer
    x = 68,003.87

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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.