Home / 83,960.60-126,038.10-50,718.20

Finding the Fourth Proportional to 83,960.60, 126,038.10 and 50,718.20

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Solution

The fourth proportional to 83,960.60, 126,038.10 and 50,718.20 is: 76,136.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,960.60 : 126,038.10 = 50,718.20 : x
  2. Step 2: Convert to fraction form
    83,960.60/126,038.10 = 50,718.20/x
  3. Step 3: Cross multiply
    83,960.60x = 126,038.10 × 50,718.20
  4. Step 4: Simplify right side
    83,960.60x = 6,392,425,563.42
  5. Step 5: Solve for x
    x = 6,392,425,563.42/83,960.60
  6. Step 6: Final answer
    x = 76,136.02

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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.