Home / 83,103.20-124,536.82-64,055.85

Finding the Fourth Proportional to 83,103.20, 124,536.82 and 64,055.85

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Solution

The fourth proportional to 83,103.20, 124,536.82 and 64,055.85 is: 95,992.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,103.20 : 124,536.82 = 64,055.85 : x
  2. Step 2: Convert to fraction form
    83,103.20/124,536.82 = 64,055.85/x
  3. Step 3: Cross multiply
    83,103.20x = 124,536.82 × 64,055.85
  4. Step 4: Simplify right side
    83,103.20x = 7,977,312,174.97
  5. Step 5: Solve for x
    x = 7,977,312,174.97/83,103.20
  6. Step 6: Final answer
    x = 95,992.83

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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.