Home / 78,826.34-108,770.78-44,839.14

Finding the Fourth Proportional to 78,826.34, 108,770.78 and 44,839.14

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Solution

The fourth proportional to 78,826.34, 108,770.78 and 44,839.14 is: 61,872.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,826.34 : 108,770.78 = 44,839.14 : x
  2. Step 2: Convert to fraction form
    78,826.34/108,770.78 = 44,839.14/x
  3. Step 3: Cross multiply
    78,826.34x = 108,770.78 × 44,839.14
  4. Step 4: Simplify right side
    78,826.34x = 4,877,188,232.33
  5. Step 5: Solve for x
    x = 4,877,188,232.33/78,826.34
  6. Step 6: Final answer
    x = 61,872.57

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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.