Home / 87,736.44-131,573.61-28,561.08

Finding the Fourth Proportional to 87,736.44, 131,573.61 and 28,561.08

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Solution

The fourth proportional to 87,736.44, 131,573.61 and 28,561.08 is: 42,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,736.44 : 131,573.61 = 28,561.08 : x
  2. Step 2: Convert to fraction form
    87,736.44/131,573.61 = 28,561.08/x
  3. Step 3: Cross multiply
    87,736.44x = 131,573.61 × 28,561.08
  4. Step 4: Simplify right side
    87,736.44x = 3,757,884,401.10
  5. Step 5: Solve for x
    x = 3,757,884,401.10/87,736.44
  6. Step 6: Final answer
    x = 42,831.51

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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.