Home / 52,778.99-79,173.68-15,339.38

Finding the Fourth Proportional to 52,778.99, 79,173.68 and 15,339.38

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Solution

The fourth proportional to 52,778.99, 79,173.68 and 15,339.38 is: 23,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,778.99 : 79,173.68 = 15,339.38 : x
  2. Step 2: Convert to fraction form
    52,778.99/79,173.68 = 15,339.38/x
  3. Step 3: Cross multiply
    52,778.99x = 79,173.68 × 15,339.38
  4. Step 4: Simplify right side
    52,778.99x = 1,214,474,690.95
  5. Step 5: Solve for x
    x = 1,214,474,690.95/52,778.99
  6. Step 6: Final answer
    x = 23,010.57

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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.