Home / 107,538.54-161,304.17-40,976.28

Finding the Fourth Proportional to 107,538.54, 161,304.17 and 40,976.28

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Solution

The fourth proportional to 107,538.54, 161,304.17 and 40,976.28 is: 61,463.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,538.54 : 161,304.17 = 40,976.28 : x
  2. Step 2: Convert to fraction form
    107,538.54/161,304.17 = 40,976.28/x
  3. Step 3: Cross multiply
    107,538.54x = 161,304.17 × 40,976.28
  4. Step 4: Simplify right side
    107,538.54x = 6,609,644,630.21
  5. Step 5: Solve for x
    x = 6,609,644,630.21/107,538.54
  6. Step 6: Final answer
    x = 61,463.03

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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.