Home / 49,137.12-67,809.36-26,781.12

Finding the Fourth Proportional to 49,137.12, 67,809.36 and 26,781.12

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Solution

The fourth proportional to 49,137.12, 67,809.36 and 26,781.12 is: 36,958.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,137.12 : 67,809.36 = 26,781.12 : x
  2. Step 2: Convert to fraction form
    49,137.12/67,809.36 = 26,781.12/x
  3. Step 3: Cross multiply
    49,137.12x = 67,809.36 × 26,781.12
  4. Step 4: Simplify right side
    49,137.12x = 1,816,010,607.28
  5. Step 5: Solve for x
    x = 1,816,010,607.28/49,137.12
  6. Step 6: Final answer
    x = 36,958.02

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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.