Home / 74,855.28-103,300.04-41,321.04

Finding the Fourth Proportional to 74,855.28, 103,300.04 and 41,321.04

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Solution

The fourth proportional to 74,855.28, 103,300.04 and 41,321.04 is: 57,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,855.28 : 103,300.04 = 41,321.04 : x
  2. Step 2: Convert to fraction form
    74,855.28/103,300.04 = 41,321.04/x
  3. Step 3: Cross multiply
    74,855.28x = 103,300.04 × 41,321.04
  4. Step 4: Simplify right side
    74,855.28x = 4,268,465,084.84
  5. Step 5: Solve for x
    x = 4,268,465,084.84/74,855.28
  6. Step 6: Final answer
    x = 57,022.90

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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.