Home / 79,231.36-118,849.12-23,069.20

Finding the Fourth Proportional to 79,231.36, 118,849.12 and 23,069.20

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Solution

The fourth proportional to 79,231.36, 118,849.12 and 23,069.20 is: 34,604.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,231.36 : 118,849.12 = 23,069.20 : x
  2. Step 2: Convert to fraction form
    79,231.36/118,849.12 = 23,069.20/x
  3. Step 3: Cross multiply
    79,231.36x = 118,849.12 × 23,069.20
  4. Step 4: Simplify right side
    79,231.36x = 2,741,754,119.10
  5. Step 5: Solve for x
    x = 2,741,754,119.10/79,231.36
  6. Step 6: Final answer
    x = 34,604.41

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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.