Home / 52,496.13-78,760.10-18,757.73

Finding the Fourth Proportional to 52,496.13, 78,760.10 and 18,757.73

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Solution

The fourth proportional to 52,496.13, 78,760.10 and 18,757.73 is: 28,142.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,496.13 : 78,760.10 = 18,757.73 : x
  2. Step 2: Convert to fraction form
    52,496.13/78,760.10 = 18,757.73/x
  3. Step 3: Cross multiply
    52,496.13x = 78,760.10 × 18,757.73
  4. Step 4: Simplify right side
    52,496.13x = 1,477,360,690.57
  5. Step 5: Solve for x
    x = 1,477,360,690.57/52,496.13
  6. Step 6: Final answer
    x = 28,142.28

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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.