Home / 72,437.42-108,600.23-27,458.12

Finding the Fourth Proportional to 72,437.42, 108,600.23 and 27,458.12

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Solution

The fourth proportional to 72,437.42, 108,600.23 and 27,458.12 is: 41,165.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,437.42 : 108,600.23 = 27,458.12 : x
  2. Step 2: Convert to fraction form
    72,437.42/108,600.23 = 27,458.12/x
  3. Step 3: Cross multiply
    72,437.42x = 108,600.23 × 27,458.12
  4. Step 4: Simplify right side
    72,437.42x = 2,981,958,147.37
  5. Step 5: Solve for x
    x = 2,981,958,147.37/72,437.42
  6. Step 6: Final answer
    x = 41,165.99

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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.