Home / 63,621.40-87,789.26-35,321.62

Finding the Fourth Proportional to 63,621.40, 87,789.26 and 35,321.62

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Solution

The fourth proportional to 63,621.40, 87,789.26 and 35,321.62 is: 48,739.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,621.40 : 87,789.26 = 35,321.62 : x
  2. Step 2: Convert to fraction form
    63,621.40/87,789.26 = 35,321.62/x
  3. Step 3: Cross multiply
    63,621.40x = 87,789.26 × 35,321.62
  4. Step 4: Simplify right side
    63,621.40x = 3,100,858,881.80
  5. Step 5: Solve for x
    x = 3,100,858,881.80/63,621.40
  6. Step 6: Final answer
    x = 48,739.24

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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.