Home / 69,077.97-95,320.40-38,860.72

Finding the Fourth Proportional to 69,077.97, 95,320.40 and 38,860.72

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Solution

The fourth proportional to 69,077.97, 95,320.40 and 38,860.72 is: 53,623.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,077.97 : 95,320.40 = 38,860.72 : x
  2. Step 2: Convert to fraction form
    69,077.97/95,320.40 = 38,860.72/x
  3. Step 3: Cross multiply
    69,077.97x = 95,320.40 × 38,860.72
  4. Step 4: Simplify right side
    69,077.97x = 3,704,218,942.08
  5. Step 5: Solve for x
    x = 3,704,218,942.08/69,077.97
  6. Step 6: Final answer
    x = 53,623.74

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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.