Home / 89,555.52-123,616.97-55,583.89

Finding the Fourth Proportional to 89,555.52, 123,616.97 and 55,583.89

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Solution

The fourth proportional to 89,555.52, 123,616.97 and 55,583.89 is: 76,724.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,555.52 : 123,616.97 = 55,583.89 : x
  2. Step 2: Convert to fraction form
    89,555.52/123,616.97 = 55,583.89/x
  3. Step 3: Cross multiply
    89,555.52x = 123,616.97 × 55,583.89
  4. Step 4: Simplify right side
    89,555.52x = 6,871,112,062.61
  5. Step 5: Solve for x
    x = 6,871,112,062.61/89,555.52
  6. Step 6: Final answer
    x = 76,724.61

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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.