Home / 69,443.17-95,829.78-39,231.61

Finding the Fourth Proportional to 69,443.17, 95,829.78 and 39,231.61

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Solution

The fourth proportional to 69,443.17, 95,829.78 and 39,231.61 is: 54,138.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,443.17 : 95,829.78 = 39,231.61 : x
  2. Step 2: Convert to fraction form
    69,443.17/95,829.78 = 39,231.61/x
  3. Step 3: Cross multiply
    69,443.17x = 95,829.78 × 39,231.61
  4. Step 4: Simplify right side
    69,443.17x = 3,759,556,555.35
  5. Step 5: Solve for x
    x = 3,759,556,555.35/69,443.17
  6. Step 6: Final answer
    x = 54,138.61

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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.