Home / 53,171.40-79,757.22-49,923.72

Finding the Fourth Proportional to 53,171.40, 79,757.22 and 49,923.72

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Solution

The fourth proportional to 53,171.40, 79,757.22 and 49,923.72 is: 74,885.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,171.40 : 79,757.22 = 49,923.72 : x
  2. Step 2: Convert to fraction form
    53,171.40/79,757.22 = 49,923.72/x
  3. Step 3: Cross multiply
    53,171.40x = 79,757.22 × 49,923.72
  4. Step 4: Simplify right side
    53,171.40x = 3,981,777,119.26
  5. Step 5: Solve for x
    x = 3,981,777,119.26/53,171.40
  6. Step 6: Final answer
    x = 74,885.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.