Home / 99,789.06-149,707.51-33,229.76

Finding the Fourth Proportional to 99,789.06, 149,707.51 and 33,229.76

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Solution

The fourth proportional to 99,789.06, 149,707.51 and 33,229.76 is: 49,852.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,789.06 : 149,707.51 = 33,229.76 : x
  2. Step 2: Convert to fraction form
    99,789.06/149,707.51 = 33,229.76/x
  3. Step 3: Cross multiply
    99,789.06x = 149,707.51 × 33,229.76
  4. Step 4: Simplify right side
    99,789.06x = 4,974,744,627.50
  5. Step 5: Solve for x
    x = 4,974,744,627.50/99,789.06
  6. Step 6: Final answer
    x = 49,852.61

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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.