Home / 124,753.13-172,163.57-68,168.15

Finding the Fourth Proportional to 124,753.13, 172,163.57 and 68,168.15

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Solution

The fourth proportional to 124,753.13, 172,163.57 and 68,168.15 is: 94,074.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,753.13 : 172,163.57 = 68,168.15 : x
  2. Step 2: Convert to fraction form
    124,753.13/172,163.57 = 68,168.15/x
  3. Step 3: Cross multiply
    124,753.13x = 172,163.57 × 68,168.15
  4. Step 4: Simplify right side
    124,753.13x = 11,736,070,862.64
  5. Step 5: Solve for x
    x = 11,736,070,862.64/124,753.13
  6. Step 6: Final answer
    x = 94,074.36

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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.