Home / 90,462.64-124,853.38-50,189.37

Finding the Fourth Proportional to 90,462.64, 124,853.38 and 50,189.37

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Solution

The fourth proportional to 90,462.64, 124,853.38 and 50,189.37 is: 69,269.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,462.64 : 124,853.38 = 50,189.37 : x
  2. Step 2: Convert to fraction form
    90,462.64/124,853.38 = 50,189.37/x
  3. Step 3: Cross multiply
    90,462.64x = 124,853.38 × 50,189.37
  4. Step 4: Simplify right side
    90,462.64x = 6,266,311,860.30
  5. Step 5: Solve for x
    x = 6,266,311,860.30/90,462.64
  6. Step 6: Final answer
    x = 69,269.61

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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.