Home / 54,245.86-81,369.33-26,159.38

Finding the Fourth Proportional to 54,245.86, 81,369.33 and 26,159.38

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Solution

The fourth proportional to 54,245.86, 81,369.33 and 26,159.38 is: 39,239.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,245.86 : 81,369.33 = 26,159.38 : x
  2. Step 2: Convert to fraction form
    54,245.86/81,369.33 = 26,159.38/x
  3. Step 3: Cross multiply
    54,245.86x = 81,369.33 × 26,159.38
  4. Step 4: Simplify right side
    54,245.86x = 2,128,571,223.82
  5. Step 5: Solve for x
    x = 2,128,571,223.82/54,245.86
  6. Step 6: Final answer
    x = 39,239.33

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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.