Home / 63,357.20-87,431.82-36,499.64

Finding the Fourth Proportional to 63,357.20, 87,431.82 and 36,499.64

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Solution

The fourth proportional to 63,357.20, 87,431.82 and 36,499.64 is: 50,368.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,357.20 : 87,431.82 = 36,499.64 : x
  2. Step 2: Convert to fraction form
    63,357.20/87,431.82 = 36,499.64/x
  3. Step 3: Cross multiply
    63,357.20x = 87,431.82 × 36,499.64
  4. Step 4: Simplify right side
    63,357.20x = 3,191,229,954.54
  5. Step 5: Solve for x
    x = 3,191,229,954.54/63,357.20
  6. Step 6: Final answer
    x = 50,368.86

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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.