Home / 49,135.66-67,809.09-26,779.66

Finding the Fourth Proportional to 49,135.66, 67,809.09 and 26,779.66

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Solution

The fourth proportional to 49,135.66, 67,809.09 and 26,779.66 is: 36,956.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,135.66 : 67,809.09 = 26,779.66 : x
  2. Step 2: Convert to fraction form
    49,135.66/67,809.09 = 26,779.66/x
  3. Step 3: Cross multiply
    49,135.66x = 67,809.09 × 26,779.66
  4. Step 4: Simplify right side
    49,135.66x = 1,815,904,375.11
  5. Step 5: Solve for x
    x = 1,815,904,375.11/49,135.66
  6. Step 6: Final answer
    x = 36,956.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.