Home / 90,067.20-135,027.87-37,516.02

Finding the Fourth Proportional to 90,067.20, 135,027.87 and 37,516.02

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Solution

The fourth proportional to 90,067.20, 135,027.87 and 37,516.02 is: 56,243.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,067.20 : 135,027.87 = 37,516.02 : x
  2. Step 2: Convert to fraction form
    90,067.20/135,027.87 = 37,516.02/x
  3. Step 3: Cross multiply
    90,067.20x = 135,027.87 × 37,516.02
  4. Step 4: Simplify right side
    90,067.20x = 5,065,708,271.48
  5. Step 5: Solve for x
    x = 5,065,708,271.48/90,067.20
  6. Step 6: Final answer
    x = 56,243.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.