Home / 87,086.32-130,613.07-33,778.19

Finding the Fourth Proportional to 87,086.32, 130,613.07 and 33,778.19

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Solution

The fourth proportional to 87,086.32, 130,613.07 and 33,778.19 is: 50,660.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,086.32 : 130,613.07 = 33,778.19 : x
  2. Step 2: Convert to fraction form
    87,086.32/130,613.07 = 33,778.19/x
  3. Step 3: Cross multiply
    87,086.32x = 130,613.07 × 33,778.19
  4. Step 4: Simplify right side
    87,086.32x = 4,411,873,010.50
  5. Step 5: Solve for x
    x = 4,411,873,010.50/87,086.32
  6. Step 6: Final answer
    x = 50,660.92

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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.