Home / 54,115.84-81,178.17-16,675.93

Finding the Fourth Proportional to 54,115.84, 81,178.17 and 16,675.93

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Solution

The fourth proportional to 54,115.84, 81,178.17 and 16,675.93 is: 25,015.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,115.84 : 81,178.17 = 16,675.93 : x
  2. Step 2: Convert to fraction form
    54,115.84/81,178.17 = 16,675.93/x
  3. Step 3: Cross multiply
    54,115.84x = 81,178.17 × 16,675.93
  4. Step 4: Simplify right side
    54,115.84x = 1,353,721,480.45
  5. Step 5: Solve for x
    x = 1,353,721,480.45/54,115.84
  6. Step 6: Final answer
    x = 25,015.25

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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.