Home / 79,854.24-119,807.28-38,304.48

Finding the Fourth Proportional to 79,854.24, 119,807.28 and 38,304.48

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Solution

The fourth proportional to 79,854.24, 119,807.28 and 38,304.48 is: 57,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,854.24 : 119,807.28 = 38,304.48 : x
  2. Step 2: Convert to fraction form
    79,854.24/119,807.28 = 38,304.48/x
  3. Step 3: Cross multiply
    79,854.24x = 119,807.28 × 38,304.48
  4. Step 4: Simplify right side
    79,854.24x = 4,589,155,560.61
  5. Step 5: Solve for x
    x = 4,589,155,560.61/79,854.24
  6. Step 6: Final answer
    x = 57,469.15

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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.