Home / 87,845.16-131,727.90-37,901.80

Finding the Fourth Proportional to 87,845.16, 131,727.90 and 37,901.80

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Solution

The fourth proportional to 87,845.16, 131,727.90 and 37,901.80 is: 56,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,845.16 : 131,727.90 = 37,901.80 : x
  2. Step 2: Convert to fraction form
    87,845.16/131,727.90 = 37,901.80/x
  3. Step 3: Cross multiply
    87,845.16x = 131,727.90 × 37,901.80
  4. Step 4: Simplify right side
    87,845.16x = 4,992,724,520.22
  5. Step 5: Solve for x
    x = 4,992,724,520.22/87,845.16
  6. Step 6: Final answer
    x = 56,835.51

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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.