Home / 80,922.51-121,072.73-49,326.84

Finding the Fourth Proportional to 80,922.51, 121,072.73 and 49,326.84

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Solution

The fourth proportional to 80,922.51, 121,072.73 and 49,326.84 is: 73,800.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,922.51 : 121,072.73 = 49,326.84 : x
  2. Step 2: Convert to fraction form
    80,922.51/121,072.73 = 49,326.84/x
  3. Step 3: Cross multiply
    80,922.51x = 121,072.73 × 49,326.84
  4. Step 4: Simplify right side
    80,922.51x = 5,972,134,934.44
  5. Step 5: Solve for x
    x = 5,972,134,934.44/80,922.51
  6. Step 6: Final answer
    x = 73,800.66

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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.