Home / 52,060.26-78,122.49-20,464.77

Finding the Fourth Proportional to 52,060.26, 78,122.49 and 20,464.77

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Solution

The fourth proportional to 52,060.26, 78,122.49 and 20,464.77 is: 30,709.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,060.26 : 78,122.49 = 20,464.77 : x
  2. Step 2: Convert to fraction form
    52,060.26/78,122.49 = 20,464.77/x
  3. Step 3: Cross multiply
    52,060.26x = 78,122.49 × 20,464.77
  4. Step 4: Simplify right side
    52,060.26x = 1,598,758,789.68
  5. Step 5: Solve for x
    x = 1,598,758,789.68/52,060.26
  6. Step 6: Final answer
    x = 30,709.77

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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.