Home / 69,078.39-95,327.24-38,863.76

Finding the Fourth Proportional to 69,078.39, 95,327.24 and 38,863.76

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Solution

The fourth proportional to 69,078.39, 95,327.24 and 38,863.76 is: 53,631.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,078.39 : 95,327.24 = 38,863.76 : x
  2. Step 2: Convert to fraction form
    69,078.39/95,327.24 = 38,863.76/x
  3. Step 3: Cross multiply
    69,078.39x = 95,327.24 × 38,863.76
  4. Step 4: Simplify right side
    69,078.39x = 3,704,774,976.82
  5. Step 5: Solve for x
    x = 3,704,774,976.82/69,078.39
  6. Step 6: Final answer
    x = 53,631.46

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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.