Home / 87,007.12-130,519.32-27,827.92

Finding the Fourth Proportional to 87,007.12, 130,519.32 and 27,827.92

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Solution

The fourth proportional to 87,007.12, 130,519.32 and 27,827.92 is: 41,744.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,007.12 : 130,519.32 = 27,827.92 : x
  2. Step 2: Convert to fraction form
    87,007.12/130,519.32 = 27,827.92/x
  3. Step 3: Cross multiply
    87,007.12x = 130,519.32 × 27,827.92
  4. Step 4: Simplify right side
    87,007.12x = 3,632,081,195.41
  5. Step 5: Solve for x
    x = 3,632,081,195.41/87,007.12
  6. Step 6: Final answer
    x = 41,744.64

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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.