Home / 54,549.56-81,824.16-17,109.92

Finding the Fourth Proportional to 54,549.56, 81,824.16 and 17,109.92

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Solution

The fourth proportional to 54,549.56, 81,824.16 and 17,109.92 is: 25,664.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,549.56 : 81,824.16 = 17,109.92 : x
  2. Step 2: Convert to fraction form
    54,549.56/81,824.16 = 17,109.92/x
  3. Step 3: Cross multiply
    54,549.56x = 81,824.16 × 17,109.92
  4. Step 4: Simplify right side
    54,549.56x = 1,400,004,831.67
  5. Step 5: Solve for x
    x = 1,400,004,831.67/54,549.56
  6. Step 6: Final answer
    x = 25,664.82

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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.