Home / 87,566.80-131,447.40-67,932.40

Finding the Fourth Proportional to 87,566.80, 131,447.40 and 67,932.40

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Solution

The fourth proportional to 87,566.80, 131,447.40 and 67,932.40 is: 101,974.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,566.80 : 131,447.40 = 67,932.40 : x
  2. Step 2: Convert to fraction form
    87,566.80/131,447.40 = 67,932.40/x
  3. Step 3: Cross multiply
    87,566.80x = 131,447.40 × 67,932.40
  4. Step 4: Simplify right side
    87,566.80x = 8,929,537,355.76
  5. Step 5: Solve for x
    x = 8,929,537,355.76/87,566.80
  6. Step 6: Final answer
    x = 101,974.01

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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.