Home / 54,203.16-81,237.06-26,118.03

Finding the Fourth Proportional to 54,203.16, 81,237.06 and 26,118.03

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Solution

The fourth proportional to 54,203.16, 81,237.06 and 26,118.03 is: 39,144.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,203.16 : 81,237.06 = 26,118.03 : x
  2. Step 2: Convert to fraction form
    54,203.16/81,237.06 = 26,118.03/x
  3. Step 3: Cross multiply
    54,203.16x = 81,237.06 × 26,118.03
  4. Step 4: Simplify right side
    54,203.16x = 2,121,751,970.19
  5. Step 5: Solve for x
    x = 2,121,751,970.19/54,203.16
  6. Step 6: Final answer
    x = 39,144.43

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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.