Home / 124,829.17-172,264.25-68,240.54

Finding the Fourth Proportional to 124,829.17, 172,264.25 and 68,240.54

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Solution

The fourth proportional to 124,829.17, 172,264.25 and 68,240.54 is: 94,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,829.17 : 172,264.25 = 68,240.54 : x
  2. Step 2: Convert to fraction form
    124,829.17/172,264.25 = 68,240.54/x
  3. Step 3: Cross multiply
    124,829.17x = 172,264.25 × 68,240.54
  4. Step 4: Simplify right side
    124,829.17x = 11,755,406,043.96
  5. Step 5: Solve for x
    x = 11,755,406,043.96/124,829.17
  6. Step 6: Final answer
    x = 94,171.95

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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.