Home / 74,859.28-103,305.56-41,325.04

Finding the Fourth Proportional to 74,859.28, 103,305.56 and 41,325.04

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Solution

The fourth proportional to 74,859.28, 103,305.56 and 41,325.04 is: 57,028.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,859.28 : 103,305.56 = 41,325.04 : x
  2. Step 2: Convert to fraction form
    74,859.28/103,305.56 = 41,325.04/x
  3. Step 3: Cross multiply
    74,859.28x = 103,305.56 × 41,325.04
  4. Step 4: Simplify right side
    74,859.28x = 4,269,106,399.22
  5. Step 5: Solve for x
    x = 4,269,106,399.22/74,859.28
  6. Step 6: Final answer
    x = 57,028.42

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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.