Home / 52,811.43-79,217.33-13,368.53

Finding the Fourth Proportional to 52,811.43, 79,217.33 and 13,368.53

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Solution

The fourth proportional to 52,811.43, 79,217.33 and 13,368.53 is: 20,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,811.43 : 79,217.33 = 13,368.53 : x
  2. Step 2: Convert to fraction form
    52,811.43/79,217.33 = 13,368.53/x
  3. Step 3: Cross multiply
    52,811.43x = 79,217.33 × 13,368.53
  4. Step 4: Simplify right side
    52,811.43x = 1,059,018,789.70
  5. Step 5: Solve for x
    x = 1,059,018,789.70/52,811.43
  6. Step 6: Final answer
    x = 20,052.83

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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.