Home / 74,553.15-102,882.31-40,561.24

Finding the Fourth Proportional to 74,553.15, 102,882.31 and 40,561.24

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Solution

The fourth proportional to 74,553.15, 102,882.31 and 40,561.24 is: 55,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,553.15 : 102,882.31 = 40,561.24 : x
  2. Step 2: Convert to fraction form
    74,553.15/102,882.31 = 40,561.24/x
  3. Step 3: Cross multiply
    74,553.15x = 102,882.31 × 40,561.24
  4. Step 4: Simplify right side
    74,553.15x = 4,173,034,067.66
  5. Step 5: Solve for x
    x = 4,173,034,067.66/74,553.15
  6. Step 6: Final answer
    x = 55,973.95

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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.