Home / 52,788.03-79,168.20-19,517.61

Finding the Fourth Proportional to 52,788.03, 79,168.20 and 19,517.61

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Solution

The fourth proportional to 52,788.03, 79,168.20 and 19,517.61 is: 29,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,788.03 : 79,168.20 = 19,517.61 : x
  2. Step 2: Convert to fraction form
    52,788.03/79,168.20 = 19,517.61/x
  3. Step 3: Cross multiply
    52,788.03x = 79,168.20 × 19,517.61
  4. Step 4: Simplify right side
    52,788.03x = 1,545,174,052.00
  5. Step 5: Solve for x
    x = 1,545,174,052.00/52,788.03
  6. Step 6: Final answer
    x = 29,271.30

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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.