Home / 109,872.39-151,623.06-62,127.45

Finding the Fourth Proportional to 109,872.39, 151,623.06 and 62,127.45

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Solution

The fourth proportional to 109,872.39, 151,623.06 and 62,127.45 is: 85,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,872.39 : 151,623.06 = 62,127.45 : x
  2. Step 2: Convert to fraction form
    109,872.39/151,623.06 = 62,127.45/x
  3. Step 3: Cross multiply
    109,872.39x = 151,623.06 × 62,127.45
  4. Step 4: Simplify right side
    109,872.39x = 9,419,954,079.00
  5. Step 5: Solve for x
    x = 9,419,954,079.00/109,872.39
  6. Step 6: Final answer
    x = 85,735.41

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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.