Home / 124,445.52-171,738.36-67,860

Finding the Fourth Proportional to 124,445.52, 171,738.36 and 67,860

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Solution

The fourth proportional to 124,445.52, 171,738.36 and 67,860 is: 93,648.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,445.52 : 171,738.36 = 67,860 : x
  2. Step 2: Convert to fraction form
    124,445.52/171,738.36 = 67,860/x
  3. Step 3: Cross multiply
    124,445.52x = 171,738.36 × 67,860
  4. Step 4: Simplify right side
    124,445.52x = 11,654,165,109.60
  5. Step 5: Solve for x
    x = 11,654,165,109.60/124,445.52
  6. Step 6: Final answer
    x = 93,648.73

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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.