Home / 106,405.08-146,839.46-58,657.38

Finding the Fourth Proportional to 106,405.08, 146,839.46 and 58,657.38

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Solution

The fourth proportional to 106,405.08, 146,839.46 and 58,657.38 is: 80,947.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,405.08 : 146,839.46 = 58,657.38 : x
  2. Step 2: Convert to fraction form
    106,405.08/146,839.46 = 58,657.38/x
  3. Step 3: Cross multiply
    106,405.08x = 146,839.46 × 58,657.38
  4. Step 4: Simplify right side
    106,405.08x = 8,613,217,710.93
  5. Step 5: Solve for x
    x = 8,613,217,710.93/106,405.08
  6. Step 6: Final answer
    x = 80,947.43

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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.