Home / 109,902.51-151,668.54-62,163.18

Finding the Fourth Proportional to 109,902.51, 151,668.54 and 62,163.18

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Solution

The fourth proportional to 109,902.51, 151,668.54 and 62,163.18 is: 85,786.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,902.51 : 151,668.54 = 62,163.18 : x
  2. Step 2: Convert to fraction form
    109,902.51/151,668.54 = 62,163.18/x
  3. Step 3: Cross multiply
    109,902.51x = 151,668.54 × 62,163.18
  4. Step 4: Simplify right side
    109,902.51x = 9,428,198,752.36
  5. Step 5: Solve for x
    x = 9,428,198,752.36/109,902.51
  6. Step 6: Final answer
    x = 85,786.93

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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.