Home / 77,076.82-115,559.16-52,054.84

Finding the Fourth Proportional to 77,076.82, 115,559.16 and 52,054.84

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Solution

The fourth proportional to 77,076.82, 115,559.16 and 52,054.84 is: 78,044.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,076.82 : 115,559.16 = 52,054.84 : x
  2. Step 2: Convert to fraction form
    77,076.82/115,559.16 = 52,054.84/x
  3. Step 3: Cross multiply
    77,076.82x = 115,559.16 × 52,054.84
  4. Step 4: Simplify right side
    77,076.82x = 6,015,413,584.33
  5. Step 5: Solve for x
    x = 6,015,413,584.33/77,076.82
  6. Step 6: Final answer
    x = 78,044.39

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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.