Home / 54,270.24-81,418.02-16,828.35

Finding the Fourth Proportional to 54,270.24, 81,418.02 and 16,828.35

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Solution

The fourth proportional to 54,270.24, 81,418.02 and 16,828.35 is: 25,246.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,270.24 : 81,418.02 = 16,828.35 : x
  2. Step 2: Convert to fraction form
    54,270.24/81,418.02 = 16,828.35/x
  3. Step 3: Cross multiply
    54,270.24x = 81,418.02 × 16,828.35
  4. Step 4: Simplify right side
    54,270.24x = 1,370,130,936.87
  5. Step 5: Solve for x
    x = 1,370,130,936.87/54,270.24
  6. Step 6: Final answer
    x = 25,246.45

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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.