Home / 86,024.43-129,016.09-36,105.45

Finding the Fourth Proportional to 86,024.43, 129,016.09 and 36,105.45

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Solution

The fourth proportional to 86,024.43, 129,016.09 and 36,105.45 is: 54,149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,024.43 : 129,016.09 = 36,105.45 : x
  2. Step 2: Convert to fraction form
    86,024.43/129,016.09 = 36,105.45/x
  3. Step 3: Cross multiply
    86,024.43x = 129,016.09 × 36,105.45
  4. Step 4: Simplify right side
    86,024.43x = 4,658,183,548.01
  5. Step 5: Solve for x
    x = 4,658,183,548.01/86,024.43
  6. Step 6: Final answer
    x = 54,149.54

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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.