Home / 106,565.20-147,049.49-58,815.47

Finding the Fourth Proportional to 106,565.20, 147,049.49 and 58,815.47

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Solution

The fourth proportional to 106,565.20, 147,049.49 and 58,815.47 is: 81,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,565.20 : 147,049.49 = 58,815.47 : x
  2. Step 2: Convert to fraction form
    106,565.20/147,049.49 = 58,815.47/x
  3. Step 3: Cross multiply
    106,565.20x = 147,049.49 × 58,815.47
  4. Step 4: Simplify right side
    106,565.20x = 8,648,784,867.61
  5. Step 5: Solve for x
    x = 8,648,784,867.61/106,565.20
  6. Step 6: Final answer
    x = 81,159.56

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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.