Home / 63,181.32-87,190.20-36,329.10

Finding the Fourth Proportional to 63,181.32, 87,190.20 and 36,329.10

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Solution

The fourth proportional to 63,181.32, 87,190.20 and 36,329.10 is: 50,134.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,181.32 : 87,190.20 = 36,329.10 : x
  2. Step 2: Convert to fraction form
    63,181.32/87,190.20 = 36,329.10/x
  3. Step 3: Cross multiply
    63,181.32x = 87,190.20 × 36,329.10
  4. Step 4: Simplify right side
    63,181.32x = 3,167,541,494.82
  5. Step 5: Solve for x
    x = 3,167,541,494.82/63,181.32
  6. Step 6: Final answer
    x = 50,134.15

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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.