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Finding the Fourth Proportional to 79,113.59, 118,511.37 and 36,935.47

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Solution

The fourth proportional to 79,113.59, 118,511.37 and 36,935.47 is: 55,328.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,113.59 : 118,511.37 = 36,935.47 : x
  2. Step 2: Convert to fraction form
    79,113.59/118,511.37 = 36,935.47/x
  3. Step 3: Cross multiply
    79,113.59x = 118,511.37 × 36,935.47
  4. Step 4: Simplify right side
    79,113.59x = 4,377,273,299.43
  5. Step 5: Solve for x
    x = 4,377,273,299.43/79,113.59
  6. Step 6: Final answer
    x = 55,328.97

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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.