Home / 99,712.23-149,535.83-33,134.48

Finding the Fourth Proportional to 99,712.23, 149,535.83 and 33,134.48

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Solution

The fourth proportional to 99,712.23, 149,535.83 and 33,134.48 is: 49,690.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,712.23 : 149,535.83 = 33,134.48 : x
  2. Step 2: Convert to fraction form
    99,712.23/149,535.83 = 33,134.48/x
  3. Step 3: Cross multiply
    99,712.23x = 149,535.83 × 33,134.48
  4. Step 4: Simplify right side
    99,712.23x = 4,954,791,864.33
  5. Step 5: Solve for x
    x = 4,954,791,864.33/99,712.23
  6. Step 6: Final answer
    x = 49,690.92

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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.