Home / 89,541.25-123,567.80-49,255.29

Finding the Fourth Proportional to 89,541.25, 123,567.80 and 49,255.29

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Solution

The fourth proportional to 89,541.25, 123,567.80 and 49,255.29 is: 67,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,541.25 : 123,567.80 = 49,255.29 : x
  2. Step 2: Convert to fraction form
    89,541.25/123,567.80 = 49,255.29/x
  3. Step 3: Cross multiply
    89,541.25x = 123,567.80 × 49,255.29
  4. Step 4: Simplify right side
    89,541.25x = 6,086,367,577.39
  5. Step 5: Solve for x
    x = 6,086,367,577.39/89,541.25
  6. Step 6: Final answer
    x = 67,972.78

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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.