Home / 54,043.64-81,117.74-25,983.06

Finding the Fourth Proportional to 54,043.64, 81,117.74 and 25,983.06

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Solution

The fourth proportional to 54,043.64, 81,117.74 and 25,983.06 is: 38,999.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,043.64 : 81,117.74 = 25,983.06 : x
  2. Step 2: Convert to fraction form
    54,043.64/81,117.74 = 25,983.06/x
  3. Step 3: Cross multiply
    54,043.64x = 81,117.74 × 25,983.06
  4. Step 4: Simplify right side
    54,043.64x = 2,107,686,975.57
  5. Step 5: Solve for x
    x = 2,107,686,975.57/54,043.64
  6. Step 6: Final answer
    x = 38,999.73

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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.