Home / 57,900.11-86,760.48-40,165.26

Finding the Fourth Proportional to 57,900.11, 86,760.48 and 40,165.26

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Solution

The fourth proportional to 57,900.11, 86,760.48 and 40,165.26 is: 60,185.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,900.11 : 86,760.48 = 40,165.26 : x
  2. Step 2: Convert to fraction form
    57,900.11/86,760.48 = 40,165.26/x
  3. Step 3: Cross multiply
    57,900.11x = 86,760.48 × 40,165.26
  4. Step 4: Simplify right side
    57,900.11x = 3,484,757,062.19
  5. Step 5: Solve for x
    x = 3,484,757,062.19/57,900.11
  6. Step 6: Final answer
    x = 60,185.68

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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.