Home / 143,072.68-214,647.92-49,585.72

Finding the Fourth Proportional to 143,072.68, 214,647.92 and 49,585.72

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Solution

The fourth proportional to 143,072.68, 214,647.92 and 49,585.72 is: 74,392.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,072.68 : 214,647.92 = 49,585.72 : x
  2. Step 2: Convert to fraction form
    143,072.68/214,647.92 = 49,585.72/x
  3. Step 3: Cross multiply
    143,072.68x = 214,647.92 × 49,585.72
  4. Step 4: Simplify right side
    143,072.68x = 10,643,471,659.70
  5. Step 5: Solve for x
    x = 10,643,471,659.70/143,072.68
  6. Step 6: Final answer
    x = 74,392.06

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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.