Home / 69,250.19-103,793.26-31,778.68

Finding the Fourth Proportional to 69,250.19, 103,793.26 and 31,778.68

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Solution

The fourth proportional to 69,250.19, 103,793.26 and 31,778.68 is: 47,630.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,250.19 : 103,793.26 = 31,778.68 : x
  2. Step 2: Convert to fraction form
    69,250.19/103,793.26 = 31,778.68/x
  3. Step 3: Cross multiply
    69,250.19x = 103,793.26 × 31,778.68
  4. Step 4: Simplify right side
    69,250.19x = 3,298,412,795.70
  5. Step 5: Solve for x
    x = 3,298,412,795.70/69,250.19
  6. Step 6: Final answer
    x = 47,630.38

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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.