Home / 69,841.44-96,383.12-39,628.04

Finding the Fourth Proportional to 69,841.44, 96,383.12 and 39,628.04

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Solution

The fourth proportional to 69,841.44, 96,383.12 and 39,628.04 is: 54,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,841.44 : 96,383.12 = 39,628.04 : x
  2. Step 2: Convert to fraction form
    69,841.44/96,383.12 = 39,628.04/x
  3. Step 3: Cross multiply
    69,841.44x = 96,383.12 × 39,628.04
  4. Step 4: Simplify right side
    69,841.44x = 3,819,473,454.63
  5. Step 5: Solve for x
    x = 3,819,473,454.63/69,841.44
  6. Step 6: Final answer
    x = 54,687.78

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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.