Home / 87,895.24-131,733.20-42,879.48

Finding the Fourth Proportional to 87,895.24, 131,733.20 and 42,879.48

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Solution

The fourth proportional to 87,895.24, 131,733.20 and 42,879.48 is: 64,265.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,895.24 : 131,733.20 = 42,879.48 : x
  2. Step 2: Convert to fraction form
    87,895.24/131,733.20 = 42,879.48/x
  3. Step 3: Cross multiply
    87,895.24x = 131,733.20 × 42,879.48
  4. Step 4: Simplify right side
    87,895.24x = 5,648,651,114.74
  5. Step 5: Solve for x
    x = 5,648,651,114.74/87,895.24
  6. Step 6: Final answer
    x = 64,265.72

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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.