Home / 75,584.10-113,372.40-28,195.48

Finding the Fourth Proportional to 75,584.10, 113,372.40 and 28,195.48

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Solution

The fourth proportional to 75,584.10, 113,372.40 and 28,195.48 is: 42,291.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,584.10 : 113,372.40 = 28,195.48 : x
  2. Step 2: Convert to fraction form
    75,584.10/113,372.40 = 28,195.48/x
  3. Step 3: Cross multiply
    75,584.10x = 113,372.40 × 28,195.48
  4. Step 4: Simplify right side
    75,584.10x = 3,196,589,236.75
  5. Step 5: Solve for x
    x = 3,196,589,236.75/75,584.10
  6. Step 6: Final answer
    x = 42,291.82

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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.