Home / 107,335.16-161,003.30-62,930.78

Finding the Fourth Proportional to 107,335.16, 161,003.30 and 62,930.78

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Solution

The fourth proportional to 107,335.16, 161,003.30 and 62,930.78 is: 94,396.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,335.16 : 161,003.30 = 62,930.78 : x
  2. Step 2: Convert to fraction form
    107,335.16/161,003.30 = 62,930.78/x
  3. Step 3: Cross multiply
    107,335.16x = 161,003.30 × 62,930.78
  4. Step 4: Simplify right side
    107,335.16x = 10,132,063,251.57
  5. Step 5: Solve for x
    x = 10,132,063,251.57/107,335.16
  6. Step 6: Final answer
    x = 94,396.50

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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.