Home / 51,863.20-77,794.80-49,271.20

Finding the Fourth Proportional to 51,863.20, 77,794.80 and 49,271.20

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Solution

The fourth proportional to 51,863.20, 77,794.80 and 49,271.20 is: 73,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,863.20 : 77,794.80 = 49,271.20 : x
  2. Step 2: Convert to fraction form
    51,863.20/77,794.80 = 49,271.20/x
  3. Step 3: Cross multiply
    51,863.20x = 77,794.80 × 49,271.20
  4. Step 4: Simplify right side
    51,863.20x = 3,833,043,149.76
  5. Step 5: Solve for x
    x = 3,833,043,149.76/51,863.20
  6. Step 6: Final answer
    x = 73,906.80

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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.