Home / 83,581.66-115,350.65-47,764.73

Finding the Fourth Proportional to 83,581.66, 115,350.65 and 47,764.73

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Solution

The fourth proportional to 83,581.66, 115,350.65 and 47,764.73 is: 65,919.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,581.66 : 115,350.65 = 47,764.73 : x
  2. Step 2: Convert to fraction form
    83,581.66/115,350.65 = 47,764.73/x
  3. Step 3: Cross multiply
    83,581.66x = 115,350.65 × 47,764.73
  4. Step 4: Simplify right side
    83,581.66x = 5,509,692,232.40
  5. Step 5: Solve for x
    x = 5,509,692,232.40/83,581.66
  6. Step 6: Final answer
    x = 65,919.87

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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.