Home / 74,923.25-103,396.09-40,933.17

Finding the Fourth Proportional to 74,923.25, 103,396.09 and 40,933.17

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Solution

The fourth proportional to 74,923.25, 103,396.09 and 40,933.17 is: 56,488.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,923.25 : 103,396.09 = 40,933.17 : x
  2. Step 2: Convert to fraction form
    74,923.25/103,396.09 = 40,933.17/x
  3. Step 3: Cross multiply
    74,923.25x = 103,396.09 × 40,933.17
  4. Step 4: Simplify right side
    74,923.25x = 4,232,329,729.31
  5. Step 5: Solve for x
    x = 4,232,329,729.31/74,923.25
  6. Step 6: Final answer
    x = 56,488.87

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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.