Home / 54,727.20-82,263.60-51,616.80

Finding the Fourth Proportional to 54,727.20, 82,263.60 and 51,616.80

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Solution

The fourth proportional to 54,727.20, 82,263.60 and 51,616.80 is: 77,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,727.20 : 82,263.60 = 51,616.80 : x
  2. Step 2: Convert to fraction form
    54,727.20/82,263.60 = 51,616.80/x
  3. Step 3: Cross multiply
    54,727.20x = 82,263.60 × 51,616.80
  4. Step 4: Simplify right side
    54,727.20x = 4,246,183,788.48
  5. Step 5: Solve for x
    x = 4,246,183,788.48/54,727.20
  6. Step 6: Final answer
    x = 77,588.18

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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.