Home / 105,542.16-158,330.86-38,982.44

Finding the Fourth Proportional to 105,542.16, 158,330.86 and 38,982.44

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Solution

The fourth proportional to 105,542.16, 158,330.86 and 38,982.44 is: 58,480.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,542.16 : 158,330.86 = 38,982.44 : x
  2. Step 2: Convert to fraction form
    105,542.16/158,330.86 = 38,982.44/x
  3. Step 3: Cross multiply
    105,542.16x = 158,330.86 × 38,982.44
  4. Step 4: Simplify right side
    105,542.16x = 6,172,123,250.10
  5. Step 5: Solve for x
    x = 6,172,123,250.10/105,542.16
  6. Step 6: Final answer
    x = 58,480.17

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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.