Home / 87,811.75-131,612.46-45,073.32

Finding the Fourth Proportional to 87,811.75, 131,612.46 and 45,073.32

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Solution

The fourth proportional to 87,811.75, 131,612.46 and 45,073.32 is: 67,556.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,811.75 : 131,612.46 = 45,073.32 : x
  2. Step 2: Convert to fraction form
    87,811.75/131,612.46 = 45,073.32/x
  3. Step 3: Cross multiply
    87,811.75x = 131,612.46 × 45,073.32
  4. Step 4: Simplify right side
    87,811.75x = 5,932,210,525.57
  5. Step 5: Solve for x
    x = 5,932,210,525.57/87,811.75
  6. Step 6: Final answer
    x = 67,556.00

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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.