Home / 54,239.25-81,360.32-17,303.25

Finding the Fourth Proportional to 54,239.25, 81,360.32 and 17,303.25

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Solution

The fourth proportional to 54,239.25, 81,360.32 and 17,303.25 is: 25,955.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,239.25 : 81,360.32 = 17,303.25 : x
  2. Step 2: Convert to fraction form
    54,239.25/81,360.32 = 17,303.25/x
  3. Step 3: Cross multiply
    54,239.25x = 81,360.32 × 17,303.25
  4. Step 4: Simplify right side
    54,239.25x = 1,407,797,870.52
  5. Step 5: Solve for x
    x = 1,407,797,870.52/54,239.25
  6. Step 6: Final answer
    x = 25,955.33

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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.