Home / 124,456.20-171,749.22-67,867.58

Finding the Fourth Proportional to 124,456.20, 171,749.22 and 67,867.58

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Solution

The fourth proportional to 124,456.20, 171,749.22 and 67,867.58 is: 93,657.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,456.20 : 171,749.22 = 67,867.58 : x
  2. Step 2: Convert to fraction form
    124,456.20/171,749.22 = 67,867.58/x
  3. Step 3: Cross multiply
    124,456.20x = 171,749.22 × 67,867.58
  4. Step 4: Simplify right side
    124,456.20x = 11,656,203,928.29
  5. Step 5: Solve for x
    x = 11,656,203,928.29/124,456.20
  6. Step 6: Final answer
    x = 93,657.08

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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.