Home / 69,161.52-95,441.96-38,947.20

Finding the Fourth Proportional to 69,161.52, 95,441.96 and 38,947.20

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Solution

The fourth proportional to 69,161.52, 95,441.96 and 38,947.20 is: 53,746.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,161.52 : 95,441.96 = 38,947.20 : x
  2. Step 2: Convert to fraction form
    69,161.52/95,441.96 = 38,947.20/x
  3. Step 3: Cross multiply
    69,161.52x = 95,441.96 × 38,947.20
  4. Step 4: Simplify right side
    69,161.52x = 3,717,196,909.78
  5. Step 5: Solve for x
    x = 3,717,196,909.78/69,161.52
  6. Step 6: Final answer
    x = 53,746.61

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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.