Home / 124,806.54-172,233.11-68,217.92

Finding the Fourth Proportional to 124,806.54, 172,233.11 and 68,217.92

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Solution

The fourth proportional to 124,806.54, 172,233.11 and 68,217.92 is: 94,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,806.54 : 172,233.11 = 68,217.92 : x
  2. Step 2: Convert to fraction form
    124,806.54/172,233.11 = 68,217.92/x
  3. Step 3: Cross multiply
    124,806.54x = 172,233.11 × 68,217.92
  4. Step 4: Simplify right side
    124,806.54x = 11,749,383,317.08
  5. Step 5: Solve for x
    x = 11,749,383,317.08/124,806.54
  6. Step 6: Final answer
    x = 94,140.77

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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.