Home / 63,276.20-87,318.38-36,419.57

Finding the Fourth Proportional to 63,276.20, 87,318.38 and 36,419.57

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Solution

The fourth proportional to 63,276.20, 87,318.38 and 36,419.57 is: 50,257.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,276.20 : 87,318.38 = 36,419.57 : x
  2. Step 2: Convert to fraction form
    63,276.20/87,318.38 = 36,419.57/x
  3. Step 3: Cross multiply
    63,276.20x = 87,318.38 × 36,419.57
  4. Step 4: Simplify right side
    63,276.20x = 3,180,097,507.15
  5. Step 5: Solve for x
    x = 3,180,097,507.15/63,276.20
  6. Step 6: Final answer
    x = 50,257.41

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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.