Home / 78,811.72-108,760.34-44,819.35

Finding the Fourth Proportional to 78,811.72, 108,760.34 and 44,819.35

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Solution

The fourth proportional to 78,811.72, 108,760.34 and 44,819.35 is: 61,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,811.72 : 108,760.34 = 44,819.35 : x
  2. Step 2: Convert to fraction form
    78,811.72/108,760.34 = 44,819.35/x
  3. Step 3: Cross multiply
    78,811.72x = 108,760.34 × 44,819.35
  4. Step 4: Simplify right side
    78,811.72x = 4,874,567,584.73
  5. Step 5: Solve for x
    x = 4,874,567,584.73/78,811.72
  6. Step 6: Final answer
    x = 61,850.80

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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.