Home / 87,769.28-131,727.63-37,887.05

Finding the Fourth Proportional to 87,769.28, 131,727.63 and 37,887.05

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Solution

The fourth proportional to 87,769.28, 131,727.63 and 37,887.05 is: 56,862.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,769.28 : 131,727.63 = 37,887.05 : x
  2. Step 2: Convert to fraction form
    87,769.28/131,727.63 = 37,887.05/x
  3. Step 3: Cross multiply
    87,769.28x = 131,727.63 × 37,887.05
  4. Step 4: Simplify right side
    87,769.28x = 4,990,770,645.55
  5. Step 5: Solve for x
    x = 4,990,770,645.55/87,769.28
  6. Step 6: Final answer
    x = 56,862.39

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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.