Home / 74,401.78-102,604.17-48,863.14

Finding the Fourth Proportional to 74,401.78, 102,604.17 and 48,863.14

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Solution

The fourth proportional to 74,401.78, 102,604.17 and 48,863.14 is: 67,384.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,401.78 : 102,604.17 = 48,863.14 : x
  2. Step 2: Convert to fraction form
    74,401.78/102,604.17 = 48,863.14/x
  3. Step 3: Cross multiply
    74,401.78x = 102,604.17 × 48,863.14
  4. Step 4: Simplify right side
    74,401.78x = 5,013,561,923.29
  5. Step 5: Solve for x
    x = 5,013,561,923.29/74,401.78
  6. Step 6: Final answer
    x = 67,384.97

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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.