Home / 71,232.20-106,808.81-29,141.85

Finding the Fourth Proportional to 71,232.20, 106,808.81 and 29,141.85

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Solution

The fourth proportional to 71,232.20, 106,808.81 and 29,141.85 is: 43,696.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,232.20 : 106,808.81 = 29,141.85 : x
  2. Step 2: Convert to fraction form
    71,232.20/106,808.81 = 29,141.85/x
  3. Step 3: Cross multiply
    71,232.20x = 106,808.81 × 29,141.85
  4. Step 4: Simplify right side
    71,232.20x = 3,112,606,319.70
  5. Step 5: Solve for x
    x = 3,112,606,319.70/71,232.20
  6. Step 6: Final answer
    x = 43,696.62

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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.