Home / 74,056.75-102,198.38-40,522.75

Finding the Fourth Proportional to 74,056.75, 102,198.38 and 40,522.75

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Solution

The fourth proportional to 74,056.75, 102,198.38 and 40,522.75 is: 55,921.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,056.75 : 102,198.38 = 40,522.75 : x
  2. Step 2: Convert to fraction form
    74,056.75/102,198.38 = 40,522.75/x
  3. Step 3: Cross multiply
    74,056.75x = 102,198.38 × 40,522.75
  4. Step 4: Simplify right side
    74,056.75x = 4,141,359,403.15
  5. Step 5: Solve for x
    x = 4,141,359,403.15/74,056.75
  6. Step 6: Final answer
    x = 55,921.43

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1.5x scale

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.