Home / 107,891.10-148,892.31-60,143.22

Finding the Fourth Proportional to 107,891.10, 148,892.31 and 60,143.22

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Solution

The fourth proportional to 107,891.10, 148,892.31 and 60,143.22 is: 82,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,891.10 : 148,892.31 = 60,143.22 : x
  2. Step 2: Convert to fraction form
    107,891.10/148,892.31 = 60,143.22/x
  3. Step 3: Cross multiply
    107,891.10x = 148,892.31 × 60,143.22
  4. Step 4: Simplify right side
    107,891.10x = 8,954,862,956.64
  5. Step 5: Solve for x
    x = 8,954,862,956.64/107,891.10
  6. Step 6: Final answer
    x = 82,999.09

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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.