Home / 89,425.27-123,415.46-51,177.18

Finding the Fourth Proportional to 89,425.27, 123,415.46 and 51,177.18

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Solution

The fourth proportional to 89,425.27, 123,415.46 and 51,177.18 is: 70,629.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,425.27 : 123,415.46 = 51,177.18 : x
  2. Step 2: Convert to fraction form
    89,425.27/123,415.46 = 51,177.18/x
  3. Step 3: Cross multiply
    89,425.27x = 123,415.46 × 51,177.18
  4. Step 4: Simplify right side
    89,425.27x = 6,316,055,897.91
  5. Step 5: Solve for x
    x = 6,316,055,897.91/89,425.27
  6. Step 6: Final answer
    x = 70,629.43

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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.