Home / 107,391.88-161,087.94-40,816.36

Finding the Fourth Proportional to 107,391.88, 161,087.94 and 40,816.36

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Solution

The fourth proportional to 107,391.88, 161,087.94 and 40,816.36 is: 61,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,391.88 : 161,087.94 = 40,816.36 : x
  2. Step 2: Convert to fraction form
    107,391.88/161,087.94 = 40,816.36/x
  3. Step 3: Cross multiply
    107,391.88x = 161,087.94 × 40,816.36
  4. Step 4: Simplify right side
    107,391.88x = 6,575,023,350.70
  5. Step 5: Solve for x
    x = 6,575,023,350.70/107,391.88
  6. Step 6: Final answer
    x = 61,224.59

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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.