Home / 106,540.05-147,020.27-61,186.05

Finding the Fourth Proportional to 106,540.05, 147,020.27 and 61,186.05

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Solution

The fourth proportional to 106,540.05, 147,020.27 and 61,186.05 is: 84,433.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,540.05 : 147,020.27 = 61,186.05 : x
  2. Step 2: Convert to fraction form
    106,540.05/147,020.27 = 61,186.05/x
  3. Step 3: Cross multiply
    106,540.05x = 147,020.27 × 61,186.05
  4. Step 4: Simplify right side
    106,540.05x = 8,995,589,285.30
  5. Step 5: Solve for x
    x = 8,995,589,285.30/106,540.05
  6. Step 6: Final answer
    x = 84,433.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.