Home / 124,916.13-172,388.34-68,327.46

Finding the Fourth Proportional to 124,916.13, 172,388.34 and 68,327.46

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Solution

The fourth proportional to 124,916.13, 172,388.34 and 68,327.46 is: 94,294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,916.13 : 172,388.34 = 68,327.46 : x
  2. Step 2: Convert to fraction form
    124,916.13/172,388.34 = 68,327.46/x
  3. Step 3: Cross multiply
    124,916.13x = 172,388.34 × 68,327.46
  4. Step 4: Simplify right side
    124,916.13x = 11,778,857,405.82
  5. Step 5: Solve for x
    x = 11,778,857,405.82/124,916.13
  6. Step 6: Final answer
    x = 94,294.13

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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.