Home / 78,820.44-118,229.41-36,676.95

Finding the Fourth Proportional to 78,820.44, 118,229.41 and 36,676.95

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Solution

The fourth proportional to 78,820.44, 118,229.41 and 36,676.95 is: 55,014.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,820.44 : 118,229.41 = 36,676.95 : x
  2. Step 2: Convert to fraction form
    78,820.44/118,229.41 = 36,676.95/x
  3. Step 3: Cross multiply
    78,820.44x = 118,229.41 × 36,676.95
  4. Step 4: Simplify right side
    78,820.44x = 4,336,293,476.26
  5. Step 5: Solve for x
    x = 4,336,293,476.26/78,820.44
  6. Step 6: Final answer
    x = 55,014.84

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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.