Home / 86,243.57-119,015.94-48,517.82

Finding the Fourth Proportional to 86,243.57, 119,015.94 and 48,517.82

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Solution

The fourth proportional to 86,243.57, 119,015.94 and 48,517.82 is: 66,954.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,243.57 : 119,015.94 = 48,517.82 : x
  2. Step 2: Convert to fraction form
    86,243.57/119,015.94 = 48,517.82/x
  3. Step 3: Cross multiply
    86,243.57x = 119,015.94 × 48,517.82
  4. Step 4: Simplify right side
    86,243.57x = 5,774,393,987.22
  5. Step 5: Solve for x
    x = 5,774,393,987.22/86,243.57
  6. Step 6: Final answer
    x = 66,954.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.