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Finding the Fourth Proportional to 79,336.66, 118,946.66 and 37,812.82

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Solution

The fourth proportional to 79,336.66, 118,946.66 and 37,812.82 is: 56,691.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,336.66 : 118,946.66 = 37,812.82 : x
  2. Step 2: Convert to fraction form
    79,336.66/118,946.66 = 37,812.82/x
  3. Step 3: Cross multiply
    79,336.66x = 118,946.66 × 37,812.82
  4. Step 4: Simplify right side
    79,336.66x = 4,497,708,644.18
  5. Step 5: Solve for x
    x = 4,497,708,644.18/79,336.66
  6. Step 6: Final answer
    x = 56,691.43

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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.