Home / 49,378.74-74,068.11-27,180.69

Finding the Fourth Proportional to 49,378.74, 74,068.11 and 27,180.69

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Solution

The fourth proportional to 49,378.74, 74,068.11 and 27,180.69 is: 40,771.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,378.74 : 74,068.11 = 27,180.69 : x
  2. Step 2: Convert to fraction form
    49,378.74/74,068.11 = 27,180.69/x
  3. Step 3: Cross multiply
    49,378.74x = 74,068.11 × 27,180.69
  4. Step 4: Simplify right side
    49,378.74x = 2,013,222,336.80
  5. Step 5: Solve for x
    x = 2,013,222,336.80/49,378.74
  6. Step 6: Final answer
    x = 40,771.04

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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.