Home / 54,238.12-81,360.06-16,824.04

Finding the Fourth Proportional to 54,238.12, 81,360.06 and 16,824.04

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Solution

The fourth proportional to 54,238.12, 81,360.06 and 16,824.04 is: 25,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,238.12 : 81,360.06 = 16,824.04 : x
  2. Step 2: Convert to fraction form
    54,238.12/81,360.06 = 16,824.04/x
  3. Step 3: Cross multiply
    54,238.12x = 81,360.06 × 16,824.04
  4. Step 4: Simplify right side
    54,238.12x = 1,368,804,903.84
  5. Step 5: Solve for x
    x = 1,368,804,903.84/54,238.12
  6. Step 6: Final answer
    x = 25,236.95

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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.