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Finding the Fourth Proportional to 79,267.52, 118,817.44 and 29,315.52

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Solution

The fourth proportional to 79,267.52, 118,817.44 and 29,315.52 is: 43,942.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,267.52 : 118,817.44 = 29,315.52 : x
  2. Step 2: Convert to fraction form
    79,267.52/118,817.44 = 29,315.52/x
  3. Step 3: Cross multiply
    79,267.52x = 118,817.44 × 29,315.52
  4. Step 4: Simplify right side
    79,267.52x = 3,483,195,038.67
  5. Step 5: Solve for x
    x = 3,483,195,038.67/79,267.52
  6. Step 6: Final answer
    x = 43,942.27

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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.