Home / 49,605.30-74,406.36-12,165.48

Finding the Fourth Proportional to 49,605.30, 74,406.36 and 12,165.48

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Solution

The fourth proportional to 49,605.30, 74,406.36 and 12,165.48 is: 18,247.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,605.30 : 74,406.36 = 12,165.48 : x
  2. Step 2: Convert to fraction form
    49,605.30/74,406.36 = 12,165.48/x
  3. Step 3: Cross multiply
    49,605.30x = 74,406.36 × 12,165.48
  4. Step 4: Simplify right side
    49,605.30x = 905,189,084.45
  5. Step 5: Solve for x
    x = 905,189,084.45/49,605.30
  6. Step 6: Final answer
    x = 18,247.83

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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.