Home / 113,738.97-156,968.69-62,761.82

Finding the Fourth Proportional to 113,738.97, 156,968.69 and 62,761.82

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Solution

The fourth proportional to 113,738.97, 156,968.69 and 62,761.82 is: 86,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,738.97 : 156,968.69 = 62,761.82 : x
  2. Step 2: Convert to fraction form
    113,738.97/156,968.69 = 62,761.82/x
  3. Step 3: Cross multiply
    113,738.97x = 156,968.69 × 62,761.82
  4. Step 4: Simplify right side
    113,738.97x = 9,851,639,568.76
  5. Step 5: Solve for x
    x = 9,851,639,568.76/113,738.97
  6. Step 6: Final answer
    x = 86,616.22

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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.