Home / 51,120.88-76,696.97-26,178.59

Finding the Fourth Proportional to 51,120.88, 76,696.97 and 26,178.59

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Solution

The fourth proportional to 51,120.88, 76,696.97 and 26,178.59 is: 39,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,120.88 : 76,696.97 = 26,178.59 : x
  2. Step 2: Convert to fraction form
    51,120.88/76,696.97 = 26,178.59/x
  3. Step 3: Cross multiply
    51,120.88x = 76,696.97 × 26,178.59
  4. Step 4: Simplify right side
    51,120.88x = 2,007,818,531.87
  5. Step 5: Solve for x
    x = 2,007,818,531.87/51,120.88
  6. Step 6: Final answer
    x = 39,275.90

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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.