Home / 83,278.20-114,922.98-45,552

Finding the Fourth Proportional to 83,278.20, 114,922.98 and 45,552

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Solution

The fourth proportional to 83,278.20, 114,922.98 and 45,552 is: 62,861.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,278.20 : 114,922.98 = 45,552 : x
  2. Step 2: Convert to fraction form
    83,278.20/114,922.98 = 45,552/x
  3. Step 3: Cross multiply
    83,278.20x = 114,922.98 × 45,552
  4. Step 4: Simplify right side
    83,278.20x = 5,234,971,584.96
  5. Step 5: Solve for x
    x = 5,234,971,584.96/83,278.20
  6. Step 6: Final answer
    x = 62,861.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.