Home / 87,423.40-131,135.10-32,012.20

Finding the Fourth Proportional to 87,423.40, 131,135.10 and 32,012.20

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Solution

The fourth proportional to 87,423.40, 131,135.10 and 32,012.20 is: 48,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,423.40 : 131,135.10 = 32,012.20 : x
  2. Step 2: Convert to fraction form
    87,423.40/131,135.10 = 32,012.20/x
  3. Step 3: Cross multiply
    87,423.40x = 131,135.10 × 32,012.20
  4. Step 4: Simplify right side
    87,423.40x = 4,197,923,048.22
  5. Step 5: Solve for x
    x = 4,197,923,048.22/87,423.40
  6. Step 6: Final answer
    x = 48,018.30

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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.