Home / 63,121.28-87,106.20-34,826.36

Finding the Fourth Proportional to 63,121.28, 87,106.20 and 34,826.36

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Solution

The fourth proportional to 63,121.28, 87,106.20 and 34,826.36 is: 48,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,121.28 : 87,106.20 = 34,826.36 : x
  2. Step 2: Convert to fraction form
    63,121.28/87,106.20 = 34,826.36/x
  3. Step 3: Cross multiply
    63,121.28x = 87,106.20 × 34,826.36
  4. Step 4: Simplify right side
    63,121.28x = 3,033,591,879.43
  5. Step 5: Solve for x
    x = 3,033,591,879.43/63,121.28
  6. Step 6: Final answer
    x = 48,059.73

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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.