Home / 107,578.91-161,441.85-37,458.21

Finding the Fourth Proportional to 107,578.91, 161,441.85 and 37,458.21

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Solution

The fourth proportional to 107,578.91, 161,441.85 and 37,458.21 is: 56,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,578.91 : 161,441.85 = 37,458.21 : x
  2. Step 2: Convert to fraction form
    107,578.91/161,441.85 = 37,458.21/x
  3. Step 3: Cross multiply
    107,578.91x = 161,441.85 × 37,458.21
  4. Step 4: Simplify right side
    107,578.91x = 6,047,322,720.09
  5. Step 5: Solve for x
    x = 6,047,322,720.09/107,578.91
  6. Step 6: Final answer
    x = 56,212.90

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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.