Home / 87,847.16-131,730.90-37,903.80

Finding the Fourth Proportional to 87,847.16, 131,730.90 and 37,903.80

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Solution

The fourth proportional to 87,847.16, 131,730.90 and 37,903.80 is: 56,838.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,847.16 : 131,730.90 = 37,903.80 : x
  2. Step 2: Convert to fraction form
    87,847.16/131,730.90 = 37,903.80/x
  3. Step 3: Cross multiply
    87,847.16x = 131,730.90 × 37,903.80
  4. Step 4: Simplify right side
    87,847.16x = 4,993,101,687.42
  5. Step 5: Solve for x
    x = 4,993,101,687.42/87,847.16
  6. Step 6: Final answer
    x = 56,838.51

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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.