Home / 52,486.38-78,722.20-15,049.64

Finding the Fourth Proportional to 52,486.38, 78,722.20 and 15,049.64

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Solution

The fourth proportional to 52,486.38, 78,722.20 and 15,049.64 is: 22,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,486.38 : 78,722.20 = 15,049.64 : x
  2. Step 2: Convert to fraction form
    52,486.38/78,722.20 = 15,049.64/x
  3. Step 3: Cross multiply
    52,486.38x = 78,722.20 × 15,049.64
  4. Step 4: Simplify right side
    52,486.38x = 1,184,740,770.01
  5. Step 5: Solve for x
    x = 1,184,740,770.01/52,486.38
  6. Step 6: Final answer
    x = 22,572.35

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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.