Home / 106,380.92-159,571.89-31,502.48

Finding the Fourth Proportional to 106,380.92, 159,571.89 and 31,502.48

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Solution

The fourth proportional to 106,380.92, 159,571.89 and 31,502.48 is: 47,253.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,380.92 : 159,571.89 = 31,502.48 : x
  2. Step 2: Convert to fraction form
    106,380.92/159,571.89 = 31,502.48/x
  3. Step 3: Cross multiply
    106,380.92x = 159,571.89 × 31,502.48
  4. Step 4: Simplify right side
    106,380.92x = 5,026,909,475.43
  5. Step 5: Solve for x
    x = 5,026,909,475.43/106,380.92
  6. Step 6: Final answer
    x = 47,253.87

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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.