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Finding the Fourth Proportional to 75,859.36, 113,212.21 and 67,452.01

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Solution

The fourth proportional to 75,859.36, 113,212.21 and 67,452.01 is: 100,665.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,859.36 : 113,212.21 = 67,452.01 : x
  2. Step 2: Convert to fraction form
    75,859.36/113,212.21 = 67,452.01/x
  3. Step 3: Cross multiply
    75,859.36x = 113,212.21 × 67,452.01
  4. Step 4: Simplify right side
    75,859.36x = 7,636,391,121.04
  5. Step 5: Solve for x
    x = 7,636,391,121.04/75,859.36
  6. Step 6: Final answer
    x = 100,665.11

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.