Home / 124,966.50-172,453.77-68,377.88

Finding the Fourth Proportional to 124,966.50, 172,453.77 and 68,377.88

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Solution

The fourth proportional to 124,966.50, 172,453.77 and 68,377.88 is: 94,361.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,966.50 : 172,453.77 = 68,377.88 : x
  2. Step 2: Convert to fraction form
    124,966.50/172,453.77 = 68,377.88/x
  3. Step 3: Cross multiply
    124,966.50x = 172,453.77 × 68,377.88
  4. Step 4: Simplify right side
    124,966.50x = 11,792,022,328.34
  5. Step 5: Solve for x
    x = 11,792,022,328.34/124,966.50
  6. Step 6: Final answer
    x = 94,361.47

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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.