Home / 79,241.09-118,861.83-26,687.48

Finding the Fourth Proportional to 79,241.09, 118,861.83 and 26,687.48

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Solution

The fourth proportional to 79,241.09, 118,861.83 and 26,687.48 is: 40,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,241.09 : 118,861.83 = 26,687.48 : x
  2. Step 2: Convert to fraction form
    79,241.09/118,861.83 = 26,687.48/x
  3. Step 3: Cross multiply
    79,241.09x = 118,861.83 × 26,687.48
  4. Step 4: Simplify right side
    79,241.09x = 3,172,122,116.58
  5. Step 5: Solve for x
    x = 3,172,122,116.58/79,241.09
  6. Step 6: Final answer
    x = 40,031.28

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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.