Home / 74,468.82-102,766.97-40,934.82

Finding the Fourth Proportional to 74,468.82, 102,766.97 and 40,934.82

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Solution

The fourth proportional to 74,468.82, 102,766.97 and 40,934.82 is: 56,490.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,468.82 : 102,766.97 = 40,934.82 : x
  2. Step 2: Convert to fraction form
    74,468.82/102,766.97 = 40,934.82/x
  3. Step 3: Cross multiply
    74,468.82x = 102,766.97 × 40,934.82
  4. Step 4: Simplify right side
    74,468.82x = 4,206,747,214.22
  5. Step 5: Solve for x
    x = 4,206,747,214.22/74,468.82
  6. Step 6: Final answer
    x = 56,490.05

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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.