Home / 69,743.28-96,245.46-39,534.42

Finding the Fourth Proportional to 69,743.28, 96,245.46 and 39,534.42

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Solution

The fourth proportional to 69,743.28, 96,245.46 and 39,534.42 is: 54,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,743.28 : 96,245.46 = 39,534.42 : x
  2. Step 2: Convert to fraction form
    69,743.28/96,245.46 = 39,534.42/x
  3. Step 3: Cross multiply
    69,743.28x = 96,245.46 × 39,534.42
  4. Step 4: Simplify right side
    69,743.28x = 3,805,008,438.73
  5. Step 5: Solve for x
    x = 3,805,008,438.73/69,743.28
  6. Step 6: Final answer
    x = 54,557.35

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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.