Home / 63,380.42-87,439.36-36,508.58

Finding the Fourth Proportional to 63,380.42, 87,439.36 and 36,508.58

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Solution

The fourth proportional to 63,380.42, 87,439.36 and 36,508.58 is: 50,367.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,380.42 : 87,439.36 = 36,508.58 : x
  2. Step 2: Convert to fraction form
    63,380.42/87,439.36 = 36,508.58/x
  3. Step 3: Cross multiply
    63,380.42x = 87,439.36 × 36,508.58
  4. Step 4: Simplify right side
    63,380.42x = 3,192,286,869.71
  5. Step 5: Solve for x
    x = 3,192,286,869.71/63,380.42
  6. Step 6: Final answer
    x = 50,367.08

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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.