Home / 69,912.88-96,479.26-38,081.68

Finding the Fourth Proportional to 69,912.88, 96,479.26 and 38,081.68

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Solution

The fourth proportional to 69,912.88, 96,479.26 and 38,081.68 is: 52,552.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,912.88 : 96,479.26 = 38,081.68 : x
  2. Step 2: Convert to fraction form
    69,912.88/96,479.26 = 38,081.68/x
  3. Step 3: Cross multiply
    69,912.88x = 96,479.26 × 38,081.68
  4. Step 4: Simplify right side
    69,912.88x = 3,674,092,305.96
  5. Step 5: Solve for x
    x = 3,674,092,305.96/69,912.88
  6. Step 6: Final answer
    x = 52,552.44

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1.5x scale

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.