Home / 52,619.60-78,934.68-15,180.60

Finding the Fourth Proportional to 52,619.60, 78,934.68 and 15,180.60

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Solution

The fourth proportional to 52,619.60, 78,934.68 and 15,180.60 is: 22,772.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,619.60 : 78,934.68 = 15,180.60 : x
  2. Step 2: Convert to fraction form
    52,619.60/78,934.68 = 15,180.60/x
  3. Step 3: Cross multiply
    52,619.60x = 78,934.68 × 15,180.60
  4. Step 4: Simplify right side
    52,619.60x = 1,198,275,803.21
  5. Step 5: Solve for x
    x = 1,198,275,803.21/52,619.60
  6. Step 6: Final answer
    x = 22,772.42

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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.