Home / 87,613.82-131,431.65-34,298.91

Finding the Fourth Proportional to 87,613.82, 131,431.65 and 34,298.91

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Solution

The fourth proportional to 87,613.82, 131,431.65 and 34,298.91 is: 51,452.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,613.82 : 131,431.65 = 34,298.91 : x
  2. Step 2: Convert to fraction form
    87,613.82/131,431.65 = 34,298.91/x
  3. Step 3: Cross multiply
    87,613.82x = 131,431.65 × 34,298.91
  4. Step 4: Simplify right side
    87,613.82x = 4,507,962,334.50
  5. Step 5: Solve for x
    x = 4,507,962,334.50/87,613.82
  6. Step 6: Final answer
    x = 51,452.64

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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.