Home / 124,747.14-172,147.28-68,158.46

Finding the Fourth Proportional to 124,747.14, 172,147.28 and 68,158.46

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Solution

The fourth proportional to 124,747.14, 172,147.28 and 68,158.46 is: 94,056.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,747.14 : 172,147.28 = 68,158.46 : x
  2. Step 2: Convert to fraction form
    124,747.14/172,147.28 = 68,158.46/x
  3. Step 3: Cross multiply
    124,747.14x = 172,147.28 × 68,158.46
  4. Step 4: Simplify right side
    124,747.14x = 11,733,293,497.99
  5. Step 5: Solve for x
    x = 11,733,293,497.99/124,747.14
  6. Step 6: Final answer
    x = 94,056.61

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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.