Home / 69,064.92-103,564.44-31,613.76

Finding the Fourth Proportional to 69,064.92, 103,564.44 and 31,613.76

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Solution

The fourth proportional to 69,064.92, 103,564.44 and 31,613.76 is: 47,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,064.92 : 103,564.44 = 31,613.76 : x
  2. Step 2: Convert to fraction form
    69,064.92/103,564.44 = 31,613.76/x
  3. Step 3: Cross multiply
    69,064.92x = 103,564.44 × 31,613.76
  4. Step 4: Simplify right side
    69,064.92x = 3,274,061,350.69
  5. Step 5: Solve for x
    x = 3,274,061,350.69/69,064.92
  6. Step 6: Final answer
    x = 47,405.56

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1.5x scale

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.