Home / 71,296.24-106,969.20-31,857.52

Finding the Fourth Proportional to 71,296.24, 106,969.20 and 31,857.52

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Solution

The fourth proportional to 71,296.24, 106,969.20 and 31,857.52 is: 47,797.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,296.24 : 106,969.20 = 31,857.52 : x
  2. Step 2: Convert to fraction form
    71,296.24/106,969.20 = 31,857.52/x
  3. Step 3: Cross multiply
    71,296.24x = 106,969.20 × 31,857.52
  4. Step 4: Simplify right side
    71,296.24x = 3,407,773,428.38
  5. Step 5: Solve for x
    x = 3,407,773,428.38/71,296.24
  6. Step 6: Final answer
    x = 47,797.38

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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.