Home / 100,790.73-151,318.94-58,709.61

Finding the Fourth Proportional to 100,790.73, 151,318.94 and 58,709.61

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Solution

The fourth proportional to 100,790.73, 151,318.94 and 58,709.61 is: 88,141.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,790.73 : 151,318.94 = 58,709.61 : x
  2. Step 2: Convert to fraction form
    100,790.73/151,318.94 = 58,709.61/x
  3. Step 3: Cross multiply
    100,790.73x = 151,318.94 × 58,709.61
  4. Step 4: Simplify right side
    100,790.73x = 8,883,875,659.47
  5. Step 5: Solve for x
    x = 8,883,875,659.47/100,790.73
  6. Step 6: Final answer
    x = 88,141.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.