Home / 87,333.21-131,050.61-36,728.55

Finding the Fourth Proportional to 87,333.21, 131,050.61 and 36,728.55

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Solution

The fourth proportional to 87,333.21, 131,050.61 and 36,728.55 is: 55,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,333.21 : 131,050.61 = 36,728.55 : x
  2. Step 2: Convert to fraction form
    87,333.21/131,050.61 = 36,728.55/x
  3. Step 3: Cross multiply
    87,333.21x = 131,050.61 × 36,728.55
  4. Step 4: Simplify right side
    87,333.21x = 4,813,298,698.27
  5. Step 5: Solve for x
    x = 4,813,298,698.27/87,333.21
  6. Step 6: Final answer
    x = 55,114.19

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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.