Home / 78,811.44-108,759.23-44,819.92

Finding the Fourth Proportional to 78,811.44, 108,759.23 and 44,819.92

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Solution

The fourth proportional to 78,811.44, 108,759.23 and 44,819.92 is: 61,851.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,811.44 : 108,759.23 = 44,819.92 : x
  2. Step 2: Convert to fraction form
    78,811.44/108,759.23 = 44,819.92/x
  3. Step 3: Cross multiply
    78,811.44x = 108,759.23 × 44,819.92
  4. Step 4: Simplify right side
    78,811.44x = 4,874,579,987.86
  5. Step 5: Solve for x
    x = 4,874,579,987.86/78,811.44
  6. Step 6: Final answer
    x = 61,851.17

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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.