Home / 75,195.24-113,321.40-67,707.96

Finding the Fourth Proportional to 75,195.24, 113,321.40 and 67,707.96

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Solution

The fourth proportional to 75,195.24, 113,321.40 and 67,707.96 is: 102,037.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,195.24 : 113,321.40 = 67,707.96 : x
  2. Step 2: Convert to fraction form
    75,195.24/113,321.40 = 67,707.96/x
  3. Step 3: Cross multiply
    75,195.24x = 113,321.40 × 67,707.96
  4. Step 4: Simplify right side
    75,195.24x = 7,672,760,818.34
  5. Step 5: Solve for x
    x = 7,672,760,818.34/75,195.24
  6. Step 6: Final answer
    x = 102,037.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.