Home / 51,751.20-77,626.20-36,490.92

Finding the Fourth Proportional to 51,751.20, 77,626.20 and 36,490.92

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Solution

The fourth proportional to 51,751.20, 77,626.20 and 36,490.92 is: 54,735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,751.20 : 77,626.20 = 36,490.92 : x
  2. Step 2: Convert to fraction form
    51,751.20/77,626.20 = 36,490.92/x
  3. Step 3: Cross multiply
    51,751.20x = 77,626.20 × 36,490.92
  4. Step 4: Simplify right side
    51,751.20x = 2,832,651,454.10
  5. Step 5: Solve for x
    x = 2,832,651,454.10/51,751.20
  6. Step 6: Final answer
    x = 54,735.96

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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.