Home / 106,409.41-159,623.34-30,508.30

Finding the Fourth Proportional to 106,409.41, 159,623.34 and 30,508.30

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Solution

The fourth proportional to 106,409.41, 159,623.34 and 30,508.30 is: 45,765.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,409.41 : 159,623.34 = 30,508.30 : x
  2. Step 2: Convert to fraction form
    106,409.41/159,623.34 = 30,508.30/x
  3. Step 3: Cross multiply
    106,409.41x = 159,623.34 × 30,508.30
  4. Step 4: Simplify right side
    106,409.41x = 4,869,836,743.72
  5. Step 5: Solve for x
    x = 4,869,836,743.72/106,409.41
  6. Step 6: Final answer
    x = 45,765.09

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1.5x scale

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.