Home / 63,621.96-87,811.20-36,765.60

Finding the Fourth Proportional to 63,621.96, 87,811.20 and 36,765.60

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Solution

The fourth proportional to 63,621.96, 87,811.20 and 36,765.60 is: 50,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,621.96 : 87,811.20 = 36,765.60 : x
  2. Step 2: Convert to fraction form
    63,621.96/87,811.20 = 36,765.60/x
  3. Step 3: Cross multiply
    63,621.96x = 87,811.20 × 36,765.60
  4. Step 4: Simplify right side
    63,621.96x = 3,228,431,454.72
  5. Step 5: Solve for x
    x = 3,228,431,454.72/63,621.96
  6. Step 6: Final answer
    x = 50,743.98

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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.