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Finding the Fourth Proportional to 54,504, 81,279 and 54,005.76

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Solution

The fourth proportional to 54,504, 81,279 and 54,005.76 is: 80,536.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,504 : 81,279 = 54,005.76 : x
  2. Step 2: Convert to fraction form
    54,504/81,279 = 54,005.76/x
  3. Step 3: Cross multiply
    54,504x = 81,279 × 54,005.76
  4. Step 4: Simplify right side
    54,504x = 4,389,534,167.04
  5. Step 5: Solve for x
    x = 4,389,534,167.04/54,504
  6. Step 6: Final answer
    x = 80,536.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.