Home / 115,504.41-159,398.70-67,792.17

Finding the Fourth Proportional to 115,504.41, 159,398.70 and 67,792.17

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Solution

The fourth proportional to 115,504.41, 159,398.70 and 67,792.17 is: 93,554.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,504.41 : 159,398.70 = 67,792.17 : x
  2. Step 2: Convert to fraction form
    115,504.41/159,398.70 = 67,792.17/x
  3. Step 3: Cross multiply
    115,504.41x = 159,398.70 × 67,792.17
  4. Step 4: Simplify right side
    115,504.41x = 10,805,983,768.18
  5. Step 5: Solve for x
    x = 10,805,983,768.18/115,504.41
  6. Step 6: Final answer
    x = 93,554.73

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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.