Home / 107,171.60-147,891.68-58,772.48

Finding the Fourth Proportional to 107,171.60, 147,891.68 and 58,772.48

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Solution

The fourth proportional to 107,171.60, 147,891.68 and 58,772.48 is: 81,103.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,171.60 : 147,891.68 = 58,772.48 : x
  2. Step 2: Convert to fraction form
    107,171.60/147,891.68 = 58,772.48/x
  3. Step 3: Cross multiply
    107,171.60x = 147,891.68 × 58,772.48
  4. Step 4: Simplify right side
    107,171.60x = 8,691,960,804.97
  5. Step 5: Solve for x
    x = 8,691,960,804.97/107,171.60
  6. Step 6: Final answer
    x = 81,103.21

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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.