Home / 109,763.82-151,481.07-67,316.58

Finding the Fourth Proportional to 109,763.82, 151,481.07 and 67,316.58

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Solution

The fourth proportional to 109,763.82, 151,481.07 and 67,316.58 is: 92,901.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,763.82 : 151,481.07 = 67,316.58 : x
  2. Step 2: Convert to fraction form
    109,763.82/151,481.07 = 67,316.58/x
  3. Step 3: Cross multiply
    109,763.82x = 151,481.07 × 67,316.58
  4. Step 4: Simplify right side
    109,763.82x = 10,197,187,567.14
  5. Step 5: Solve for x
    x = 10,197,187,567.14/109,763.82
  6. Step 6: Final answer
    x = 92,901.17

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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.