Home / 109,769.09-151,481.30-59,468.09

Finding the Fourth Proportional to 109,769.09, 151,481.30 and 59,468.09

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Solution

The fourth proportional to 109,769.09, 151,481.30 and 59,468.09 is: 82,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,769.09 : 151,481.30 = 59,468.09 : x
  2. Step 2: Convert to fraction form
    109,769.09/151,481.30 = 59,468.09/x
  3. Step 3: Cross multiply
    109,769.09x = 151,481.30 × 59,468.09
  4. Step 4: Simplify right side
    109,769.09x = 9,008,302,526.97
  5. Step 5: Solve for x
    x = 9,008,302,526.97/109,769.09
  6. Step 6: Final answer
    x = 82,065.93

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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.