Home / 69,081.11-95,330.90-38,866.47

Finding the Fourth Proportional to 69,081.11, 95,330.90 and 38,866.47

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Solution

The fourth proportional to 69,081.11, 95,330.90 and 38,866.47 is: 53,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,081.11 : 95,330.90 = 38,866.47 : x
  2. Step 2: Convert to fraction form
    69,081.11/95,330.90 = 38,866.47/x
  3. Step 3: Cross multiply
    69,081.11x = 95,330.90 × 38,866.47
  4. Step 4: Simplify right side
    69,081.11x = 3,705,175,370.59
  5. Step 5: Solve for x
    x = 3,705,175,370.59/69,081.11
  6. Step 6: Final answer
    x = 53,635.15

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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.