Home / 54,682.49-81,904.80-26,543.30

Finding the Fourth Proportional to 54,682.49, 81,904.80 and 26,543.30

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Solution

The fourth proportional to 54,682.49, 81,904.80 and 26,543.30 is: 39,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,682.49 : 81,904.80 = 26,543.30 : x
  2. Step 2: Convert to fraction form
    54,682.49/81,904.80 = 26,543.30/x
  3. Step 3: Cross multiply
    54,682.49x = 81,904.80 × 26,543.30
  4. Step 4: Simplify right side
    54,682.49x = 2,174,023,367.85
  5. Step 5: Solve for x
    x = 2,174,023,367.85/54,682.49
  6. Step 6: Final answer
    x = 39,757.21

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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.