Home / 87,682.28-131,596.88-45,588.20

Finding the Fourth Proportional to 87,682.28, 131,596.88 and 45,588.20

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Solution

The fourth proportional to 87,682.28, 131,596.88 and 45,588.20 is: 68,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,682.28 : 131,596.88 = 45,588.20 : x
  2. Step 2: Convert to fraction form
    87,682.28/131,596.88 = 45,588.20/x
  3. Step 3: Cross multiply
    87,682.28x = 131,596.88 × 45,588.20
  4. Step 4: Simplify right side
    87,682.28x = 5,999,264,884.82
  5. Step 5: Solve for x
    x = 5,999,264,884.82/87,682.28
  6. Step 6: Final answer
    x = 68,420.49

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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.