Home / 86,076.66-129,122.43-23,747.16

Finding the Fourth Proportional to 86,076.66, 129,122.43 and 23,747.16

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Solution

The fourth proportional to 86,076.66, 129,122.43 and 23,747.16 is: 35,622.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,076.66 : 129,122.43 = 23,747.16 : x
  2. Step 2: Convert to fraction form
    86,076.66/129,122.43 = 23,747.16/x
  3. Step 3: Cross multiply
    86,076.66x = 129,122.43 × 23,747.16
  4. Step 4: Simplify right side
    86,076.66x = 3,066,291,004.80
  5. Step 5: Solve for x
    x = 3,066,291,004.80/86,076.66
  6. Step 6: Final answer
    x = 35,622.79

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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.