Home / 54,255.13-81,435.30-26,194.98

Finding the Fourth Proportional to 54,255.13, 81,435.30 and 26,194.98

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Solution

The fourth proportional to 54,255.13, 81,435.30 and 26,194.98 is: 39,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,255.13 : 81,435.30 = 26,194.98 : x
  2. Step 2: Convert to fraction form
    54,255.13/81,435.30 = 26,194.98/x
  3. Step 3: Cross multiply
    54,255.13x = 81,435.30 × 26,194.98
  4. Step 4: Simplify right side
    54,255.13x = 2,133,196,054.79
  5. Step 5: Solve for x
    x = 2,133,196,054.79/54,255.13
  6. Step 6: Final answer
    x = 39,317.87

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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.