Home / 124,868.13-172,318.59-68,279.46

Finding the Fourth Proportional to 124,868.13, 172,318.59 and 68,279.46

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Solution

The fourth proportional to 124,868.13, 172,318.59 and 68,279.46 is: 94,225.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,868.13 : 172,318.59 = 68,279.46 : x
  2. Step 2: Convert to fraction form
    124,868.13/172,318.59 = 68,279.46/x
  3. Step 3: Cross multiply
    124,868.13x = 172,318.59 × 68,279.46
  4. Step 4: Simplify right side
    124,868.13x = 11,765,820,273.16
  5. Step 5: Solve for x
    x = 11,765,820,273.16/124,868.13
  6. Step 6: Final answer
    x = 94,225.97

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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.