Home / 49,693.87-74,541.21-18,126.55

Finding the Fourth Proportional to 49,693.87, 74,541.21 and 18,126.55

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Solution

The fourth proportional to 49,693.87, 74,541.21 and 18,126.55 is: 27,189.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,693.87 : 74,541.21 = 18,126.55 : x
  2. Step 2: Convert to fraction form
    49,693.87/74,541.21 = 18,126.55/x
  3. Step 3: Cross multiply
    49,693.87x = 74,541.21 × 18,126.55
  4. Step 4: Simplify right side
    49,693.87x = 1,351,175,097.29
  5. Step 5: Solve for x
    x = 1,351,175,097.29/49,693.87
  6. Step 6: Final answer
    x = 27,189.97

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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.