Home / 51,730.05-71,382.15-29,065.44

Finding the Fourth Proportional to 51,730.05, 71,382.15 and 29,065.44

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Solution

The fourth proportional to 51,730.05, 71,382.15 and 29,065.44 is: 40,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,730.05 : 71,382.15 = 29,065.44 : x
  2. Step 2: Convert to fraction form
    51,730.05/71,382.15 = 29,065.44/x
  3. Step 3: Cross multiply
    51,730.05x = 71,382.15 × 29,065.44
  4. Step 4: Simplify right side
    51,730.05x = 2,074,753,597.90
  5. Step 5: Solve for x
    x = 2,074,753,597.90/51,730.05
  6. Step 6: Final answer
    x = 40,107.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.