Home / 52,722.25-79,084.30-19,425.18

Finding the Fourth Proportional to 52,722.25, 79,084.30 and 19,425.18

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Solution

The fourth proportional to 52,722.25, 79,084.30 and 19,425.18 is: 29,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,722.25 : 79,084.30 = 19,425.18 : x
  2. Step 2: Convert to fraction form
    52,722.25/79,084.30 = 19,425.18/x
  3. Step 3: Cross multiply
    52,722.25x = 79,084.30 × 19,425.18
  4. Step 4: Simplify right side
    52,722.25x = 1,536,226,270.13
  5. Step 5: Solve for x
    x = 1,536,226,270.13/52,722.25
  6. Step 6: Final answer
    x = 29,138.10

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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.