Home / 66,827.43-100,175.54-43,131.29

Finding the Fourth Proportional to 66,827.43, 100,175.54 and 43,131.29

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Solution

The fourth proportional to 66,827.43, 100,175.54 and 43,131.29 is: 64,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,827.43 : 100,175.54 = 43,131.29 : x
  2. Step 2: Convert to fraction form
    66,827.43/100,175.54 = 43,131.29/x
  3. Step 3: Cross multiply
    66,827.43x = 100,175.54 × 43,131.29
  4. Step 4: Simplify right side
    66,827.43x = 4,320,699,550.11
  5. Step 5: Solve for x
    x = 4,320,699,550.11/66,827.43
  6. Step 6: Final answer
    x = 64,654.58

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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.