Home / 86,076.91-129,122.81-23,747.41

Finding the Fourth Proportional to 86,076.91, 129,122.81 and 23,747.41

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Solution

The fourth proportional to 86,076.91, 129,122.81 and 23,747.41 is: 35,623.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,076.91 : 129,122.81 = 23,747.41 : x
  2. Step 2: Convert to fraction form
    86,076.91/129,122.81 = 23,747.41/x
  3. Step 3: Cross multiply
    86,076.91x = 129,122.81 × 23,747.41
  4. Step 4: Simplify right side
    86,076.91x = 3,066,332,309.42
  5. Step 5: Solve for x
    x = 3,066,332,309.42/86,076.91
  6. Step 6: Final answer
    x = 35,623.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.