Home / 77,494.33-116,253.65-33,121.31

Finding the Fourth Proportional to 77,494.33, 116,253.65 and 33,121.31

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Solution

The fourth proportional to 77,494.33, 116,253.65 and 33,121.31 is: 49,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,494.33 : 116,253.65 = 33,121.31 : x
  2. Step 2: Convert to fraction form
    77,494.33/116,253.65 = 33,121.31/x
  3. Step 3: Cross multiply
    77,494.33x = 116,253.65 × 33,121.31
  4. Step 4: Simplify right side
    77,494.33x = 3,850,473,305.31
  5. Step 5: Solve for x
    x = 3,850,473,305.31/77,494.33
  6. Step 6: Final answer
    x = 49,687.16

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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.