Home / 109,324.12-150,749.28-68,473.69

Finding the Fourth Proportional to 109,324.12, 150,749.28 and 68,473.69

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Solution

The fourth proportional to 109,324.12, 150,749.28 and 68,473.69 is: 94,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,324.12 : 150,749.28 = 68,473.69 : x
  2. Step 2: Convert to fraction form
    109,324.12/150,749.28 = 68,473.69/x
  3. Step 3: Cross multiply
    109,324.12x = 150,749.28 × 68,473.69
  4. Step 4: Simplify right side
    109,324.12x = 10,322,359,124.07
  5. Step 5: Solve for x
    x = 10,322,359,124.07/109,324.12
  6. Step 6: Final answer
    x = 94,419.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.