Home / 105,817.39-146,027.41-58,069.71

Finding the Fourth Proportional to 105,817.39, 146,027.41 and 58,069.71

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Solution

The fourth proportional to 105,817.39, 146,027.41 and 58,069.71 is: 80,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,817.39 : 146,027.41 = 58,069.71 : x
  2. Step 2: Convert to fraction form
    105,817.39/146,027.41 = 58,069.71/x
  3. Step 3: Cross multiply
    105,817.39x = 146,027.41 × 58,069.71
  4. Step 4: Simplify right side
    105,817.39x = 8,479,769,205.58
  5. Step 5: Solve for x
    x = 8,479,769,205.58/105,817.39
  6. Step 6: Final answer
    x = 80,135.88

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1.5x scale

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.