Home / 87,712.57-131,344.65-48,226.28

Finding the Fourth Proportional to 87,712.57, 131,344.65 and 48,226.28

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Solution

The fourth proportional to 87,712.57, 131,344.65 and 48,226.28 is: 72,216.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,712.57 : 131,344.65 = 48,226.28 : x
  2. Step 2: Convert to fraction form
    87,712.57/131,344.65 = 48,226.28/x
  3. Step 3: Cross multiply
    87,712.57x = 131,344.65 × 48,226.28
  4. Step 4: Simplify right side
    87,712.57x = 6,334,263,867.40
  5. Step 5: Solve for x
    x = 6,334,263,867.40/87,712.57
  6. Step 6: Final answer
    x = 72,216.15

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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.