Home / 109,986.33-151,781.13-59,685.33

Finding the Fourth Proportional to 109,986.33, 151,781.13 and 59,685.33

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Solution

The fourth proportional to 109,986.33, 151,781.13 and 59,685.33 is: 82,365.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,986.33 : 151,781.13 = 59,685.33 : x
  2. Step 2: Convert to fraction form
    109,986.33/151,781.13 = 59,685.33/x
  3. Step 3: Cross multiply
    109,986.33x = 151,781.13 × 59,685.33
  4. Step 4: Simplify right side
    109,986.33x = 9,059,106,831.82
  5. Step 5: Solve for x
    x = 9,059,106,831.82/109,986.33
  6. Step 6: Final answer
    x = 82,365.75

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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.