Home / 78,076.44-117,118.94-24,764.57

Finding the Fourth Proportional to 78,076.44, 117,118.94 and 24,764.57

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Solution

The fourth proportional to 78,076.44, 117,118.94 and 24,764.57 is: 37,148.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,076.44 : 117,118.94 = 24,764.57 : x
  2. Step 2: Convert to fraction form
    78,076.44/117,118.94 = 24,764.57/x
  3. Step 3: Cross multiply
    78,076.44x = 117,118.94 × 24,764.57
  4. Step 4: Simplify right side
    78,076.44x = 2,900,400,187.96
  5. Step 5: Solve for x
    x = 2,900,400,187.96/78,076.44
  6. Step 6: Final answer
    x = 37,148.21

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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.