Home / 54,306.98-81,463.54-16,872.38

Finding the Fourth Proportional to 54,306.98, 81,463.54 and 16,872.38

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Solution

The fourth proportional to 54,306.98, 81,463.54 and 16,872.38 is: 25,309.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,306.98 : 81,463.54 = 16,872.38 : x
  2. Step 2: Convert to fraction form
    54,306.98/81,463.54 = 16,872.38/x
  3. Step 3: Cross multiply
    54,306.98x = 81,463.54 × 16,872.38
  4. Step 4: Simplify right side
    54,306.98x = 1,374,483,803.03
  5. Step 5: Solve for x
    x = 1,374,483,803.03/54,306.98
  6. Step 6: Final answer
    x = 25,309.52

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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.