Home / 74,076.15-102,226.25-41,812.43

Finding the Fourth Proportional to 74,076.15, 102,226.25 and 41,812.43

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Solution

The fourth proportional to 74,076.15, 102,226.25 and 41,812.43 is: 57,701.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,076.15 : 102,226.25 = 41,812.43 : x
  2. Step 2: Convert to fraction form
    74,076.15/102,226.25 = 41,812.43/x
  3. Step 3: Cross multiply
    74,076.15x = 102,226.25 × 41,812.43
  4. Step 4: Simplify right side
    74,076.15x = 4,274,327,922.29
  5. Step 5: Solve for x
    x = 4,274,327,922.29/74,076.15
  6. Step 6: Final answer
    x = 57,701.81

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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.