Home / 80,672.58-121,008.72-24,512.46

Finding the Fourth Proportional to 80,672.58, 121,008.72 and 24,512.46

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Solution

The fourth proportional to 80,672.58, 121,008.72 and 24,512.46 is: 36,768.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,672.58 : 121,008.72 = 24,512.46 : x
  2. Step 2: Convert to fraction form
    80,672.58/121,008.72 = 24,512.46/x
  3. Step 3: Cross multiply
    80,672.58x = 121,008.72 × 24,512.46
  4. Step 4: Simplify right side
    80,672.58x = 2,966,221,408.65
  5. Step 5: Solve for x
    x = 2,966,221,408.65/80,672.58
  6. Step 6: Final answer
    x = 36,768.64

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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.