Home / 61,136.28-91,708.14-16,761.24

Finding the Fourth Proportional to 61,136.28, 91,708.14 and 16,761.24

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Solution

The fourth proportional to 61,136.28, 91,708.14 and 16,761.24 is: 25,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,136.28 : 91,708.14 = 16,761.24 : x
  2. Step 2: Convert to fraction form
    61,136.28/91,708.14 = 16,761.24/x
  3. Step 3: Cross multiply
    61,136.28x = 91,708.14 × 16,761.24
  4. Step 4: Simplify right side
    61,136.28x = 1,537,142,144.49
  5. Step 5: Solve for x
    x = 1,537,142,144.49/61,136.28
  6. Step 6: Final answer
    x = 25,142.88

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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.