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Finding the Fourth Proportional to 71,046.78, 106,495.09 and 23,649.22

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Solution

The fourth proportional to 71,046.78, 106,495.09 and 23,649.22 is: 35,448.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,046.78 : 106,495.09 = 23,649.22 : x
  2. Step 2: Convert to fraction form
    71,046.78/106,495.09 = 23,649.22/x
  3. Step 3: Cross multiply
    71,046.78x = 106,495.09 × 23,649.22
  4. Step 4: Simplify right side
    71,046.78x = 2,518,525,812.33
  5. Step 5: Solve for x
    x = 2,518,525,812.33/71,046.78
  6. Step 6: Final answer
    x = 35,448.84

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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.