Home / 63,150.25-87,137.41-36,287.56

Finding the Fourth Proportional to 63,150.25, 87,137.41 and 36,287.56

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Solution

The fourth proportional to 63,150.25, 87,137.41 and 36,287.56 is: 50,071.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,150.25 : 87,137.41 = 36,287.56 : x
  2. Step 2: Convert to fraction form
    63,150.25/87,137.41 = 36,287.56/x
  3. Step 3: Cross multiply
    63,150.25x = 87,137.41 × 36,287.56
  4. Step 4: Simplify right side
    63,150.25x = 3,162,003,993.62
  5. Step 5: Solve for x
    x = 3,162,003,993.62/63,150.25
  6. Step 6: Final answer
    x = 50,071.12

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1.5x scale

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.