Home / 81,104.76-121,672.62-24,934.86

Finding the Fourth Proportional to 81,104.76, 121,672.62 and 24,934.86

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Solution

The fourth proportional to 81,104.76, 121,672.62 and 24,934.86 is: 37,407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,104.76 : 121,672.62 = 24,934.86 : x
  2. Step 2: Convert to fraction form
    81,104.76/121,672.62 = 24,934.86/x
  3. Step 3: Cross multiply
    81,104.76x = 121,672.62 × 24,934.86
  4. Step 4: Simplify right side
    81,104.76x = 3,033,889,745.53
  5. Step 5: Solve for x
    x = 3,033,889,745.53/81,104.76
  6. Step 6: Final answer
    x = 37,407.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.