Home / 69,131.23-103,752.23-31,708.95

Finding the Fourth Proportional to 69,131.23, 103,752.23 and 31,708.95

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Solution

The fourth proportional to 69,131.23, 103,752.23 and 31,708.95 is: 47,588.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,131.23 : 103,752.23 = 31,708.95 : x
  2. Step 2: Convert to fraction form
    69,131.23/103,752.23 = 31,708.95/x
  3. Step 3: Cross multiply
    69,131.23x = 103,752.23 × 31,708.95
  4. Step 4: Simplify right side
    69,131.23x = 3,289,874,273.46
  5. Step 5: Solve for x
    x = 3,289,874,273.46/69,131.23
  6. Step 6: Final answer
    x = 47,588.83

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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.