Home / 49,601.10-74,401.65-12,665.10

Finding the Fourth Proportional to 49,601.10, 74,401.65 and 12,665.10

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Solution

The fourth proportional to 49,601.10, 74,401.65 and 12,665.10 is: 18,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,601.10 : 74,401.65 = 12,665.10 : x
  2. Step 2: Convert to fraction form
    49,601.10/74,401.65 = 12,665.10/x
  3. Step 3: Cross multiply
    49,601.10x = 74,401.65 × 12,665.10
  4. Step 4: Simplify right side
    49,601.10x = 942,304,337.42
  5. Step 5: Solve for x
    x = 942,304,337.42/49,601.10
  6. Step 6: Final answer
    x = 18,997.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.