Home / 82,754.29-124,034.23-38,287.11

Finding the Fourth Proportional to 82,754.29, 124,034.23 and 38,287.11

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Solution

The fourth proportional to 82,754.29, 124,034.23 and 38,287.11 is: 57,385.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,754.29 : 124,034.23 = 38,287.11 : x
  2. Step 2: Convert to fraction form
    82,754.29/124,034.23 = 38,287.11/x
  3. Step 3: Cross multiply
    82,754.29x = 124,034.23 × 38,287.11
  4. Step 4: Simplify right side
    82,754.29x = 4,748,912,255.63
  5. Step 5: Solve for x
    x = 4,748,912,255.63/82,754.29
  6. Step 6: Final answer
    x = 57,385.69

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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.