Home / 74,540.62-102,867.93-40,551.02

Finding the Fourth Proportional to 74,540.62, 102,867.93 and 40,551.02

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Solution

The fourth proportional to 74,540.62, 102,867.93 and 40,551.02 is: 55,961.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,540.62 : 102,867.93 = 40,551.02 : x
  2. Step 2: Convert to fraction form
    74,540.62/102,867.93 = 40,551.02/x
  3. Step 3: Cross multiply
    74,540.62x = 102,867.93 × 40,551.02
  4. Step 4: Simplify right side
    74,540.62x = 4,171,398,972.45
  5. Step 5: Solve for x
    x = 4,171,398,972.45/74,540.62
  6. Step 6: Final answer
    x = 55,961.42

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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.