Home / 63,869.20-88,137.12-35,574.28

Finding the Fourth Proportional to 63,869.20, 88,137.12 and 35,574.28

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Solution

The fourth proportional to 63,869.20, 88,137.12 and 35,574.28 is: 49,091.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,869.20 : 88,137.12 = 35,574.28 : x
  2. Step 2: Convert to fraction form
    63,869.20/88,137.12 = 35,574.28/x
  3. Step 3: Cross multiply
    63,869.20x = 88,137.12 × 35,574.28
  4. Step 4: Simplify right side
    63,869.20x = 3,135,414,585.27
  5. Step 5: Solve for x
    x = 3,135,414,585.27/63,869.20
  6. Step 6: Final answer
    x = 49,091.18

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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.