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Finding the Fourth Proportional to 85,950.43, 128,952.03 and 41,029.11

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Solution

The fourth proportional to 85,950.43, 128,952.03 and 41,029.11 is: 61,556.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,950.43 : 128,952.03 = 41,029.11 : x
  2. Step 2: Convert to fraction form
    85,950.43/128,952.03 = 41,029.11/x
  3. Step 3: Cross multiply
    85,950.43x = 128,952.03 × 41,029.11
  4. Step 4: Simplify right side
    85,950.43x = 5,290,786,693.88
  5. Step 5: Solve for x
    x = 5,290,786,693.88/85,950.43
  6. Step 6: Final answer
    x = 61,556.26

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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.