Home / 124,649.73-172,016.51-68,061.11

Finding the Fourth Proportional to 124,649.73, 172,016.51 and 68,061.11

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Solution

The fourth proportional to 124,649.73, 172,016.51 and 68,061.11 is: 93,924.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,649.73 : 172,016.51 = 68,061.11 : x
  2. Step 2: Convert to fraction form
    124,649.73/172,016.51 = 68,061.11/x
  3. Step 3: Cross multiply
    124,649.73x = 172,016.51 × 68,061.11
  4. Step 4: Simplify right side
    124,649.73x = 11,707,633,408.54
  5. Step 5: Solve for x
    x = 11,707,633,408.54/124,649.73
  6. Step 6: Final answer
    x = 93,924.26

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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.