Home / 52,899.16-79,348.38-13,455.92

Finding the Fourth Proportional to 52,899.16, 79,348.38 and 13,455.92

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Solution

The fourth proportional to 52,899.16, 79,348.38 and 13,455.92 is: 20,183.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,899.16 : 79,348.38 = 13,455.92 : x
  2. Step 2: Convert to fraction form
    52,899.16/79,348.38 = 13,455.92/x
  3. Step 3: Cross multiply
    52,899.16x = 79,348.38 × 13,455.92
  4. Step 4: Simplify right side
    52,899.16x = 1,067,705,453.41
  5. Step 5: Solve for x
    x = 1,067,705,453.41/52,899.16
  6. Step 6: Final answer
    x = 20,183.79

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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.