Home / 69,105.88-95,364.96-38,891.20

Finding the Fourth Proportional to 69,105.88, 95,364.96 and 38,891.20

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Solution

The fourth proportional to 69,105.88, 95,364.96 and 38,891.20 is: 53,669.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,105.88 : 95,364.96 = 38,891.20 : x
  2. Step 2: Convert to fraction form
    69,105.88/95,364.96 = 38,891.20/x
  3. Step 3: Cross multiply
    69,105.88x = 95,364.96 × 38,891.20
  4. Step 4: Simplify right side
    69,105.88x = 3,708,857,732.35
  5. Step 5: Solve for x
    x = 3,708,857,732.35/69,105.88
  6. Step 6: Final answer
    x = 53,669.21

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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.