Home / 69,986.44-96,581.28-38,155.42

Finding the Fourth Proportional to 69,986.44, 96,581.28 and 38,155.42

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Solution

The fourth proportional to 69,986.44, 96,581.28 and 38,155.42 is: 52,654.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,986.44 : 96,581.28 = 38,155.42 : x
  2. Step 2: Convert to fraction form
    69,986.44/96,581.28 = 38,155.42/x
  3. Step 3: Cross multiply
    69,986.44x = 96,581.28 × 38,155.42
  4. Step 4: Simplify right side
    69,986.44x = 3,685,099,302.54
  5. Step 5: Solve for x
    x = 3,685,099,302.54/69,986.44
  6. Step 6: Final answer
    x = 52,654.48

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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.