Home / 54,312.48-81,357.84-27,961.86

Finding the Fourth Proportional to 54,312.48, 81,357.84 and 27,961.86

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Solution

The fourth proportional to 54,312.48, 81,357.84 and 27,961.86 is: 41,885.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,312.48 : 81,357.84 = 27,961.86 : x
  2. Step 2: Convert to fraction form
    54,312.48/81,357.84 = 27,961.86/x
  3. Step 3: Cross multiply
    54,312.48x = 81,357.84 × 27,961.86
  4. Step 4: Simplify right side
    54,312.48x = 2,274,916,531.98
  5. Step 5: Solve for x
    x = 2,274,916,531.98/54,312.48
  6. Step 6: Final answer
    x = 41,885.71

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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.