Home / 63,133.20-87,138.72-36,291.27

Finding the Fourth Proportional to 63,133.20, 87,138.72 and 36,291.27

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Solution

The fourth proportional to 63,133.20, 87,138.72 and 36,291.27 is: 50,090.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,133.20 : 87,138.72 = 36,291.27 : x
  2. Step 2: Convert to fraction form
    63,133.20/87,138.72 = 36,291.27/x
  3. Step 3: Cross multiply
    63,133.20x = 87,138.72 × 36,291.27
  4. Step 4: Simplify right side
    63,133.20x = 3,162,374,814.97
  5. Step 5: Solve for x
    x = 3,162,374,814.97/63,133.20
  6. Step 6: Final answer
    x = 50,090.52

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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.