Home / 69,021.42-95,250.54-38,805.06

Finding the Fourth Proportional to 69,021.42, 95,250.54 and 38,805.06

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Solution

The fourth proportional to 69,021.42, 95,250.54 and 38,805.06 is: 53,551.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,021.42 : 95,250.54 = 38,805.06 : x
  2. Step 2: Convert to fraction form
    69,021.42/95,250.54 = 38,805.06/x
  3. Step 3: Cross multiply
    69,021.42x = 95,250.54 × 38,805.06
  4. Step 4: Simplify right side
    69,021.42x = 3,696,202,919.73
  5. Step 5: Solve for x
    x = 3,696,202,919.73/69,021.42
  6. Step 6: Final answer
    x = 53,551.53

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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.