Home / 107,143.11-147,843.90-59,396.04

Finding the Fourth Proportional to 107,143.11, 147,843.90 and 59,396.04

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Solution

The fourth proportional to 107,143.11, 147,843.90 and 59,396.04 is: 81,959.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,143.11 : 147,843.90 = 59,396.04 : x
  2. Step 2: Convert to fraction form
    107,143.11/147,843.90 = 59,396.04/x
  3. Step 3: Cross multiply
    107,143.11x = 147,843.90 × 59,396.04
  4. Step 4: Simplify right side
    107,143.11x = 8,781,342,198.16
  5. Step 5: Solve for x
    x = 8,781,342,198.16/107,143.11
  6. Step 6: Final answer
    x = 81,959.00

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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.