Home / 115,503.41-159,397.32-67,791.17

Finding the Fourth Proportional to 115,503.41, 159,397.32 and 67,791.17

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Solution

The fourth proportional to 115,503.41, 159,397.32 and 67,791.17 is: 93,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,503.41 : 159,397.32 = 67,791.17 : x
  2. Step 2: Convert to fraction form
    115,503.41/159,397.32 = 67,791.17/x
  3. Step 3: Cross multiply
    115,503.41x = 159,397.32 × 67,791.17
  4. Step 4: Simplify right side
    115,503.41x = 10,805,730,020.68
  5. Step 5: Solve for x
    x = 10,805,730,020.68/115,503.41
  6. Step 6: Final answer
    x = 93,553.35

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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.