Home / 52,789.12-79,175.20-19,524.96

Finding the Fourth Proportional to 52,789.12, 79,175.20 and 19,524.96

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Solution

The fourth proportional to 52,789.12, 79,175.20 and 19,524.96 is: 29,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,789.12 : 79,175.20 = 19,524.96 : x
  2. Step 2: Convert to fraction form
    52,789.12/79,175.20 = 19,524.96/x
  3. Step 3: Cross multiply
    52,789.12x = 79,175.20 × 19,524.96
  4. Step 4: Simplify right side
    52,789.12x = 1,545,892,612.99
  5. Step 5: Solve for x
    x = 1,545,892,612.99/52,789.12
  6. Step 6: Final answer
    x = 29,284.30

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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.