Home / 105,660.38-158,335.05-46,441.82

Finding the Fourth Proportional to 105,660.38, 158,335.05 and 46,441.82

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Solution

The fourth proportional to 105,660.38, 158,335.05 and 46,441.82 is: 69,594.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,660.38 : 158,335.05 = 46,441.82 : x
  2. Step 2: Convert to fraction form
    105,660.38/158,335.05 = 46,441.82/x
  3. Step 3: Cross multiply
    105,660.38x = 158,335.05 × 46,441.82
  4. Step 4: Simplify right side
    105,660.38x = 7,353,367,891.79
  5. Step 5: Solve for x
    x = 7,353,367,891.79/105,660.38
  6. Step 6: Final answer
    x = 69,594.37

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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.