Home / 96,021.20-143,691.60-83,676.80

Finding the Fourth Proportional to 96,021.20, 143,691.60 and 83,676.80

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Solution

The fourth proportional to 96,021.20, 143,691.60 and 83,676.80 is: 125,218.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,021.20 : 143,691.60 = 83,676.80 : x
  2. Step 2: Convert to fraction form
    96,021.20/143,691.60 = 83,676.80/x
  3. Step 3: Cross multiply
    96,021.20x = 143,691.60 × 83,676.80
  4. Step 4: Simplify right side
    96,021.20x = 12,023,653,274.88
  5. Step 5: Solve for x
    x = 12,023,653,274.88/96,021.20
  6. Step 6: Final answer
    x = 125,218.74

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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.