Home / 63,120.20-87,110.13-36,273.42

Finding the Fourth Proportional to 63,120.20, 87,110.13 and 36,273.42

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Solution

The fourth proportional to 63,120.20, 87,110.13 and 36,273.42 is: 50,059.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,120.20 : 87,110.13 = 36,273.42 : x
  2. Step 2: Convert to fraction form
    63,120.20/87,110.13 = 36,273.42/x
  3. Step 3: Cross multiply
    63,120.20x = 87,110.13 × 36,273.42
  4. Step 4: Simplify right side
    63,120.20x = 3,159,782,467.77
  5. Step 5: Solve for x
    x = 3,159,782,467.77/63,120.20
  6. Step 6: Final answer
    x = 50,059.77

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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.