Home / 74,923.49-103,396.43-40,933.41

Finding the Fourth Proportional to 74,923.49, 103,396.43 and 40,933.41

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Solution

The fourth proportional to 74,923.49, 103,396.43 and 40,933.41 is: 56,489.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,923.49 : 103,396.43 = 40,933.41 : x
  2. Step 2: Convert to fraction form
    74,923.49/103,396.43 = 40,933.41/x
  3. Step 3: Cross multiply
    74,923.49x = 103,396.43 × 40,933.41
  4. Step 4: Simplify right side
    74,923.49x = 4,232,368,461.73
  5. Step 5: Solve for x
    x = 4,232,368,461.73/74,923.49
  6. Step 6: Final answer
    x = 56,489.21

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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.