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Finding the Fourth Proportional to 73,167.66, 100,971.14 and 41,336.55

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Solution

The fourth proportional to 73,167.66, 100,971.14 and 41,336.55 is: 57,044.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,167.66 : 100,971.14 = 41,336.55 : x
  2. Step 2: Convert to fraction form
    73,167.66/100,971.14 = 41,336.55/x
  3. Step 3: Cross multiply
    73,167.66x = 100,971.14 × 41,336.55
  4. Step 4: Simplify right side
    73,167.66x = 4,173,798,370.48
  5. Step 5: Solve for x
    x = 4,173,798,370.48/73,167.66
  6. Step 6: Final answer
    x = 57,044.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.