Home / 77,326.27-115,956.57-27,418.93

Finding the Fourth Proportional to 77,326.27, 115,956.57 and 27,418.93

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Solution

The fourth proportional to 77,326.27, 115,956.57 and 27,418.93 is: 41,116.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,326.27 : 115,956.57 = 27,418.93 : x
  2. Step 2: Convert to fraction form
    77,326.27/115,956.57 = 27,418.93/x
  3. Step 3: Cross multiply
    77,326.27x = 115,956.57 × 27,418.93
  4. Step 4: Simplify right side
    77,326.27x = 3,179,405,075.87
  5. Step 5: Solve for x
    x = 3,179,405,075.87/77,326.27
  6. Step 6: Final answer
    x = 41,116.75

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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.