Home / 83,186.38-114,801.87-54,872.02

Finding the Fourth Proportional to 83,186.38, 114,801.87 and 54,872.02

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Solution

The fourth proportional to 83,186.38, 114,801.87 and 54,872.02 is: 75,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,186.38 : 114,801.87 = 54,872.02 : x
  2. Step 2: Convert to fraction form
    83,186.38/114,801.87 = 54,872.02/x
  3. Step 3: Cross multiply
    83,186.38x = 114,801.87 × 54,872.02
  4. Step 4: Simplify right side
    83,186.38x = 6,299,410,506.68
  5. Step 5: Solve for x
    x = 6,299,410,506.68/83,186.38
  6. Step 6: Final answer
    x = 75,726.47

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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.