Home / 124,169.75-171,354.26-67,581.53

Finding the Fourth Proportional to 124,169.75, 171,354.26 and 67,581.53

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Solution

The fourth proportional to 124,169.75, 171,354.26 and 67,581.53 is: 93,262.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,169.75 : 171,354.26 = 67,581.53 : x
  2. Step 2: Convert to fraction form
    124,169.75/171,354.26 = 67,581.53/x
  3. Step 3: Cross multiply
    124,169.75x = 171,354.26 × 67,581.53
  4. Step 4: Simplify right side
    124,169.75x = 11,580,383,062.82
  5. Step 5: Solve for x
    x = 11,580,383,062.82/124,169.75
  6. Step 6: Final answer
    x = 93,262.51

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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.