Home / 79,911.21-119,835.66-29,964.03

Finding the Fourth Proportional to 79,911.21, 119,835.66 and 29,964.03

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Solution

The fourth proportional to 79,911.21, 119,835.66 and 29,964.03 is: 44,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,911.21 : 119,835.66 = 29,964.03 : x
  2. Step 2: Convert to fraction form
    79,911.21/119,835.66 = 29,964.03/x
  3. Step 3: Cross multiply
    79,911.21x = 119,835.66 × 29,964.03
  4. Step 4: Simplify right side
    79,911.21x = 3,590,759,311.31
  5. Step 5: Solve for x
    x = 3,590,759,311.31/79,911.21
  6. Step 6: Final answer
    x = 44,934.36

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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.