Home / 124,933.05-172,407.15-68,344.29

Finding the Fourth Proportional to 124,933.05, 172,407.15 and 68,344.29

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Solution

The fourth proportional to 124,933.05, 172,407.15 and 68,344.29 is: 94,314.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,933.05 : 172,407.15 = 68,344.29 : x
  2. Step 2: Convert to fraction form
    124,933.05/172,407.15 = 68,344.29/x
  3. Step 3: Cross multiply
    124,933.05x = 172,407.15 × 68,344.29
  4. Step 4: Simplify right side
    124,933.05x = 11,783,044,257.67
  5. Step 5: Solve for x
    x = 11,783,044,257.67/124,933.05
  6. Step 6: Final answer
    x = 94,314.87

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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.