Home / 79,640.82-119,337.30-29,707.56

Finding the Fourth Proportional to 79,640.82, 119,337.30 and 29,707.56

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Solution

The fourth proportional to 79,640.82, 119,337.30 and 29,707.56 is: 44,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,640.82 : 119,337.30 = 29,707.56 : x
  2. Step 2: Convert to fraction form
    79,640.82/119,337.30 = 29,707.56/x
  3. Step 3: Cross multiply
    79,640.82x = 119,337.30 × 29,707.56
  4. Step 4: Simplify right side
    79,640.82x = 3,545,219,999.99
  5. Step 5: Solve for x
    x = 3,545,219,999.99/79,640.82
  6. Step 6: Final answer
    x = 44,515.11

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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.