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Finding the Fourth Proportional to 79,116.62, 118,675.40 and 32,369.49

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Solution

The fourth proportional to 79,116.62, 118,675.40 and 32,369.49 is: 48,554.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,116.62 : 118,675.40 = 32,369.49 : x
  2. Step 2: Convert to fraction form
    79,116.62/118,675.40 = 32,369.49/x
  3. Step 3: Cross multiply
    79,116.62x = 118,675.40 × 32,369.49
  4. Step 4: Simplify right side
    79,116.62x = 3,841,462,011.70
  5. Step 5: Solve for x
    x = 3,841,462,011.70/79,116.62
  6. Step 6: Final answer
    x = 48,554.43

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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.