Home / 87,515.40-131,042.70-64,014.60

Finding the Fourth Proportional to 87,515.40, 131,042.70 and 64,014.60

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Solution

The fourth proportional to 87,515.40, 131,042.70 and 64,014.60 is: 95,853.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,515.40 : 131,042.70 = 64,014.60 : x
  2. Step 2: Convert to fraction form
    87,515.40/131,042.70 = 64,014.60/x
  3. Step 3: Cross multiply
    87,515.40x = 131,042.70 × 64,014.60
  4. Step 4: Simplify right side
    87,515.40x = 8,388,646,023.42
  5. Step 5: Solve for x
    x = 8,388,646,023.42/87,515.40
  6. Step 6: Final answer
    x = 95,853.37

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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.