Home / 115,171.61-158,882.49-67,395.38

Finding the Fourth Proportional to 115,171.61, 158,882.49 and 67,395.38

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Solution

The fourth proportional to 115,171.61, 158,882.49 and 67,395.38 is: 92,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,171.61 : 158,882.49 = 67,395.38 : x
  2. Step 2: Convert to fraction form
    115,171.61/158,882.49 = 67,395.38/x
  3. Step 3: Cross multiply
    115,171.61x = 158,882.49 × 67,395.38
  4. Step 4: Simplify right side
    115,171.61x = 10,707,944,994.48
  5. Step 5: Solve for x
    x = 10,707,944,994.48/115,171.61
  6. Step 6: Final answer
    x = 92,973.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.