Home / 75,455.88-113,232.96-28,709.16

Finding the Fourth Proportional to 75,455.88, 113,232.96 and 28,709.16

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Solution

The fourth proportional to 75,455.88, 113,232.96 and 28,709.16 is: 43,082.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,455.88 : 113,232.96 = 28,709.16 : x
  2. Step 2: Convert to fraction form
    75,455.88/113,232.96 = 28,709.16/x
  3. Step 3: Cross multiply
    75,455.88x = 113,232.96 × 28,709.16
  4. Step 4: Simplify right side
    75,455.88x = 3,250,823,165.91
  5. Step 5: Solve for x
    x = 3,250,823,165.91/75,455.88
  6. Step 6: Final answer
    x = 43,082.44

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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.