Home / 51,572.20-77,358.36-14,132.60

Finding the Fourth Proportional to 51,572.20, 77,358.36 and 14,132.60

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Solution

The fourth proportional to 51,572.20, 77,358.36 and 14,132.60 is: 21,198.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,572.20 : 77,358.36 = 14,132.60 : x
  2. Step 2: Convert to fraction form
    51,572.20/77,358.36 = 14,132.60/x
  3. Step 3: Cross multiply
    51,572.20x = 77,358.36 × 14,132.60
  4. Step 4: Simplify right side
    51,572.20x = 1,093,274,758.54
  5. Step 5: Solve for x
    x = 1,093,274,758.54/51,572.20
  6. Step 6: Final answer
    x = 21,198.92

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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.