Home / 79,788.22-119,685.37-29,863.06

Finding the Fourth Proportional to 79,788.22, 119,685.37 and 29,863.06

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Solution

The fourth proportional to 79,788.22, 119,685.37 and 29,863.06 is: 44,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,788.22 : 119,685.37 = 29,863.06 : x
  2. Step 2: Convert to fraction form
    79,788.22/119,685.37 = 29,863.06/x
  3. Step 3: Cross multiply
    79,788.22x = 119,685.37 × 29,863.06
  4. Step 4: Simplify right side
    79,788.22x = 3,574,171,310.77
  5. Step 5: Solve for x
    x = 3,574,171,310.77/79,788.22
  6. Step 6: Final answer
    x = 44,795.73

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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.