Home / 87,984.37-131,948.76-28,806.44

Finding the Fourth Proportional to 87,984.37, 131,948.76 and 28,806.44

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Solution

The fourth proportional to 87,984.37, 131,948.76 and 28,806.44 is: 43,200.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,984.37 : 131,948.76 = 28,806.44 : x
  2. Step 2: Convert to fraction form
    87,984.37/131,948.76 = 28,806.44/x
  3. Step 3: Cross multiply
    87,984.37x = 131,948.76 × 28,806.44
  4. Step 4: Simplify right side
    87,984.37x = 3,800,974,038.01
  5. Step 5: Solve for x
    x = 3,800,974,038.01/87,984.37
  6. Step 6: Final answer
    x = 43,200.56

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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.