Home / 69,161.75-95,442.27-38,947.43

Finding the Fourth Proportional to 69,161.75, 95,442.27 and 38,947.43

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Solution

The fourth proportional to 69,161.75, 95,442.27 and 38,947.43 is: 53,746.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,161.75 : 95,442.27 = 38,947.43 : x
  2. Step 2: Convert to fraction form
    69,161.75/95,442.27 = 38,947.43/x
  3. Step 3: Cross multiply
    69,161.75x = 95,442.27 × 38,947.43
  4. Step 4: Simplify right side
    69,161.75x = 3,717,231,222.42
  5. Step 5: Solve for x
    x = 3,717,231,222.42/69,161.75
  6. Step 6: Final answer
    x = 53,746.92

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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.