Home / 87,983.55-131,982.57-28,817.91

Finding the Fourth Proportional to 87,983.55, 131,982.57 and 28,817.91

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Solution

The fourth proportional to 87,983.55, 131,982.57 and 28,817.91 is: 43,229.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,983.55 : 131,982.57 = 28,817.91 : x
  2. Step 2: Convert to fraction form
    87,983.55/131,982.57 = 28,817.91/x
  3. Step 3: Cross multiply
    87,983.55x = 131,982.57 × 28,817.91
  4. Step 4: Simplify right side
    87,983.55x = 3,803,461,823.83
  5. Step 5: Solve for x
    x = 3,803,461,823.83/87,983.55
  6. Step 6: Final answer
    x = 43,229.24

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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.