Home / 54,028.14-81,055.80-38,264.04

Finding the Fourth Proportional to 54,028.14, 81,055.80 and 38,264.04

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Solution

The fourth proportional to 54,028.14, 81,055.80 and 38,264.04 is: 57,405.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,028.14 : 81,055.80 = 38,264.04 : x
  2. Step 2: Convert to fraction form
    54,028.14/81,055.80 = 38,264.04/x
  3. Step 3: Cross multiply
    54,028.14x = 81,055.80 × 38,264.04
  4. Step 4: Simplify right side
    54,028.14x = 3,101,522,373.43
  5. Step 5: Solve for x
    x = 3,101,522,373.43/54,028.14
  6. Step 6: Final answer
    x = 57,405.68

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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.