Home / 75,540.72-104,244.12-41,549.28

Finding the Fourth Proportional to 75,540.72, 104,244.12 and 41,549.28

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Solution

The fourth proportional to 75,540.72, 104,244.12 and 41,549.28 is: 57,336.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,540.72 : 104,244.12 = 41,549.28 : x
  2. Step 2: Convert to fraction form
    75,540.72/104,244.12 = 41,549.28/x
  3. Step 3: Cross multiply
    75,540.72x = 104,244.12 × 41,549.28
  4. Step 4: Simplify right side
    75,540.72x = 4,331,268,130.23
  5. Step 5: Solve for x
    x = 4,331,268,130.23/75,540.72
  6. Step 6: Final answer
    x = 57,336.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.