Home / 54,187.28-81,255-23,005.52

Finding the Fourth Proportional to 54,187.28, 81,255 and 23,005.52

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Solution

The fourth proportional to 54,187.28, 81,255 and 23,005.52 is: 34,497.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,187.28 : 81,255 = 23,005.52 : x
  2. Step 2: Convert to fraction form
    54,187.28/81,255 = 23,005.52/x
  3. Step 3: Cross multiply
    54,187.28x = 81,255 × 23,005.52
  4. Step 4: Simplify right side
    54,187.28x = 1,869,313,527.60
  5. Step 5: Solve for x
    x = 1,869,313,527.60/54,187.28
  6. Step 6: Final answer
    x = 34,497.28

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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.