Home / 89,335.38-123,283.07-49,051.75

Finding the Fourth Proportional to 89,335.38, 123,283.07 and 49,051.75

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Solution

The fourth proportional to 89,335.38, 123,283.07 and 49,051.75 is: 67,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,335.38 : 123,283.07 = 49,051.75 : x
  2. Step 2: Convert to fraction form
    89,335.38/123,283.07 = 49,051.75/x
  3. Step 3: Cross multiply
    89,335.38x = 123,283.07 × 49,051.75
  4. Step 4: Simplify right side
    89,335.38x = 6,047,250,328.87
  5. Step 5: Solve for x
    x = 6,047,250,328.87/89,335.38
  6. Step 6: Final answer
    x = 67,691.55

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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.