Home / 82,840.14-124,073.28-38,373.48

Finding the Fourth Proportional to 82,840.14, 124,073.28 and 38,373.48

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Solution

The fourth proportional to 82,840.14, 124,073.28 and 38,373.48 is: 57,473.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,840.14 : 124,073.28 = 38,373.48 : x
  2. Step 2: Convert to fraction form
    82,840.14/124,073.28 = 38,373.48/x
  3. Step 3: Cross multiply
    82,840.14x = 124,073.28 × 38,373.48
  4. Step 4: Simplify right side
    82,840.14x = 4,761,123,528.61
  5. Step 5: Solve for x
    x = 4,761,123,528.61/82,840.14
  6. Step 6: Final answer
    x = 57,473.63

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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.