Home / 54,217.13-81,329.94-14,775.80

Finding the Fourth Proportional to 54,217.13, 81,329.94 and 14,775.80

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Solution

The fourth proportional to 54,217.13, 81,329.94 and 14,775.80 is: 22,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,217.13 : 81,329.94 = 14,775.80 : x
  2. Step 2: Convert to fraction form
    54,217.13/81,329.94 = 14,775.80/x
  3. Step 3: Cross multiply
    54,217.13x = 81,329.94 × 14,775.80
  4. Step 4: Simplify right side
    54,217.13x = 1,201,714,520.80
  5. Step 5: Solve for x
    x = 1,201,714,520.80/54,217.13
  6. Step 6: Final answer
    x = 22,164.85

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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.