Home / 67,732.38-101,371.89-66,836.25

Finding the Fourth Proportional to 67,732.38, 101,371.89 and 66,836.25

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Solution

The fourth proportional to 67,732.38, 101,371.89 and 66,836.25 is: 100,030.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,732.38 : 101,371.89 = 66,836.25 : x
  2. Step 2: Convert to fraction form
    67,732.38/101,371.89 = 66,836.25/x
  3. Step 3: Cross multiply
    67,732.38x = 101,371.89 × 66,836.25
  4. Step 4: Simplify right side
    67,732.38x = 6,775,316,983.01
  5. Step 5: Solve for x
    x = 6,775,316,983.01/67,732.38
  6. Step 6: Final answer
    x = 100,030.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.