Home / 106,612.72-159,867.96-50,405.92

Finding the Fourth Proportional to 106,612.72, 159,867.96 and 50,405.92

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Solution

The fourth proportional to 106,612.72, 159,867.96 and 50,405.92 is: 75,584.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,612.72 : 159,867.96 = 50,405.92 : x
  2. Step 2: Convert to fraction form
    106,612.72/159,867.96 = 50,405.92/x
  3. Step 3: Cross multiply
    106,612.72x = 159,867.96 × 50,405.92
  4. Step 4: Simplify right side
    106,612.72x = 8,058,291,602.32
  5. Step 5: Solve for x
    x = 8,058,291,602.32/106,612.72
  6. Step 6: Final answer
    x = 75,584.71

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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.