Home / 85,470.56-117,950.34-47,229.95

Finding the Fourth Proportional to 85,470.56, 117,950.34 and 47,229.95

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Solution

The fourth proportional to 85,470.56, 117,950.34 and 47,229.95 is: 65,177.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,470.56 : 117,950.34 = 47,229.95 : x
  2. Step 2: Convert to fraction form
    85,470.56/117,950.34 = 47,229.95/x
  3. Step 3: Cross multiply
    85,470.56x = 117,950.34 × 47,229.95
  4. Step 4: Simplify right side
    85,470.56x = 5,570,788,660.68
  5. Step 5: Solve for x
    x = 5,570,788,660.68/85,470.56
  6. Step 6: Final answer
    x = 65,177.87

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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.