Home / 79,933.16-119,886.30-29,321.72

Finding the Fourth Proportional to 79,933.16, 119,886.30 and 29,321.72

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Solution

The fourth proportional to 79,933.16, 119,886.30 and 29,321.72 is: 43,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,933.16 : 119,886.30 = 29,321.72 : x
  2. Step 2: Convert to fraction form
    79,933.16/119,886.30 = 29,321.72/x
  3. Step 3: Cross multiply
    79,933.16x = 119,886.30 × 29,321.72
  4. Step 4: Simplify right side
    79,933.16x = 3,515,272,520.44
  5. Step 5: Solve for x
    x = 3,515,272,520.44/79,933.16
  6. Step 6: Final answer
    x = 43,977.65

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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.