Home / 76,889.43-115,371-41,829.03

Finding the Fourth Proportional to 76,889.43, 115,371 and 41,829.03

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Solution

The fourth proportional to 76,889.43, 115,371 and 41,829.03 is: 62,763.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,889.43 : 115,371 = 41,829.03 : x
  2. Step 2: Convert to fraction form
    76,889.43/115,371 = 41,829.03/x
  3. Step 3: Cross multiply
    76,889.43x = 115,371 × 41,829.03
  4. Step 4: Simplify right side
    76,889.43x = 4,825,857,020.13
  5. Step 5: Solve for x
    x = 4,825,857,020.13/76,889.43
  6. Step 6: Final answer
    x = 62,763.59

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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.