Home / 71,028.66-106,515.14-26,631.21

Finding the Fourth Proportional to 71,028.66, 106,515.14 and 26,631.21

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Solution

The fourth proportional to 71,028.66, 106,515.14 and 26,631.21 is: 39,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,028.66 : 106,515.14 = 26,631.21 : x
  2. Step 2: Convert to fraction form
    71,028.66/106,515.14 = 26,631.21/x
  3. Step 3: Cross multiply
    71,028.66x = 106,515.14 × 26,631.21
  4. Step 4: Simplify right side
    71,028.66x = 2,836,627,061.52
  5. Step 5: Solve for x
    x = 2,836,627,061.52/71,028.66
  6. Step 6: Final answer
    x = 39,936.37

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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.