Home / 115,545.74-159,454.17-67,799.88

Finding the Fourth Proportional to 115,545.74, 159,454.17 and 67,799.88

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Solution

The fourth proportional to 115,545.74, 159,454.17 and 67,799.88 is: 93,564.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,545.74 : 159,454.17 = 67,799.88 : x
  2. Step 2: Convert to fraction form
    115,545.74/159,454.17 = 67,799.88/x
  3. Step 3: Cross multiply
    115,545.74x = 159,454.17 × 67,799.88
  4. Step 4: Simplify right side
    115,545.74x = 10,810,973,591.50
  5. Step 5: Solve for x
    x = 10,810,973,591.50/115,545.74
  6. Step 6: Final answer
    x = 93,564.45

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1.5x scale

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.