Home / 115,504.28-159,398.52-67,792.04

Finding the Fourth Proportional to 115,504.28, 159,398.52 and 67,792.04

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Solution

The fourth proportional to 115,504.28, 159,398.52 and 67,792.04 is: 93,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,504.28 : 159,398.52 = 67,792.04 : x
  2. Step 2: Convert to fraction form
    115,504.28/159,398.52 = 67,792.04/x
  3. Step 3: Cross multiply
    115,504.28x = 159,398.52 × 67,792.04
  4. Step 4: Simplify right side
    115,504.28x = 10,805,950,843.78
  5. Step 5: Solve for x
    x = 10,805,950,843.78/115,504.28
  6. Step 6: Final answer
    x = 93,554.55

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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.