Home / 75,396.33-113,624.01-67,909.26

Finding the Fourth Proportional to 75,396.33, 113,624.01 and 67,909.26

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Solution

The fourth proportional to 75,396.33, 113,624.01 and 67,909.26 is: 102,340.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,396.33 : 113,624.01 = 67,909.26 : x
  2. Step 2: Convert to fraction form
    75,396.33/113,624.01 = 67,909.26/x
  3. Step 3: Cross multiply
    75,396.33x = 113,624.01 × 67,909.26
  4. Step 4: Simplify right side
    75,396.33x = 7,716,122,437.33
  5. Step 5: Solve for x
    x = 7,716,122,437.33/75,396.33
  6. Step 6: Final answer
    x = 102,340.82

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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.