Home / 87,821.98-131,594.96-67,880.27

Finding the Fourth Proportional to 87,821.98, 131,594.96 and 67,880.27

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Solution

The fourth proportional to 87,821.98, 131,594.96 and 67,880.27 is: 101,713.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,821.98 : 131,594.96 = 67,880.27 : x
  2. Step 2: Convert to fraction form
    87,821.98/131,594.96 = 67,880.27/x
  3. Step 3: Cross multiply
    87,821.98x = 131,594.96 × 67,880.27
  4. Step 4: Simplify right side
    87,821.98x = 8,932,701,914.13
  5. Step 5: Solve for x
    x = 8,932,701,914.13/87,821.98
  6. Step 6: Final answer
    x = 101,713.74

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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.