Home / 52,781.12-79,171.83-26,479.71

Finding the Fourth Proportional to 52,781.12, 79,171.83 and 26,479.71

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Solution

The fourth proportional to 52,781.12, 79,171.83 and 26,479.71 is: 39,719.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,781.12 : 79,171.83 = 26,479.71 : x
  2. Step 2: Convert to fraction form
    52,781.12/79,171.83 = 26,479.71/x
  3. Step 3: Cross multiply
    52,781.12x = 79,171.83 × 26,479.71
  4. Step 4: Simplify right side
    52,781.12x = 2,096,447,098.57
  5. Step 5: Solve for x
    x = 2,096,447,098.57/52,781.12
  6. Step 6: Final answer
    x = 39,719.64

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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.