Home / 54,291.64-81,433.60-16,850.80

Finding the Fourth Proportional to 54,291.64, 81,433.60 and 16,850.80

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Solution

The fourth proportional to 54,291.64, 81,433.60 and 16,850.80 is: 25,275.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,291.64 : 81,433.60 = 16,850.80 : x
  2. Step 2: Convert to fraction form
    54,291.64/81,433.60 = 16,850.80/x
  3. Step 3: Cross multiply
    54,291.64x = 81,433.60 × 16,850.80
  4. Step 4: Simplify right side
    54,291.64x = 1,372,221,306.88
  5. Step 5: Solve for x
    x = 1,372,221,306.88/54,291.64
  6. Step 6: Final answer
    x = 25,275.00

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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.