Home / 87,791.82-131,701.41-28,613.76

Finding the Fourth Proportional to 87,791.82, 131,701.41 and 28,613.76

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Solution

The fourth proportional to 87,791.82, 131,701.41 and 28,613.76 is: 42,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,791.82 : 131,701.41 = 28,613.76 : x
  2. Step 2: Convert to fraction form
    87,791.82/131,701.41 = 28,613.76/x
  3. Step 3: Cross multiply
    87,791.82x = 131,701.41 × 28,613.76
  4. Step 4: Simplify right side
    87,791.82x = 3,768,472,537.40
  5. Step 5: Solve for x
    x = 3,768,472,537.40/87,791.82
  6. Step 6: Final answer
    x = 42,925.10

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1.5x scale

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.