Home / 106,611.73-147,121.38-58,864.05

Finding the Fourth Proportional to 106,611.73, 147,121.38 and 58,864.05

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Solution

The fourth proportional to 106,611.73, 147,121.38 and 58,864.05 is: 81,230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,611.73 : 147,121.38 = 58,864.05 : x
  2. Step 2: Convert to fraction form
    106,611.73/147,121.38 = 58,864.05/x
  3. Step 3: Cross multiply
    106,611.73x = 147,121.38 × 58,864.05
  4. Step 4: Simplify right side
    106,611.73x = 8,660,160,268.39
  5. Step 5: Solve for x
    x = 8,660,160,268.39/106,611.73
  6. Step 6: Final answer
    x = 81,230.84

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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.