Home / 99,513.28-149,249.40-32,937.76

Finding the Fourth Proportional to 99,513.28, 149,249.40 and 32,937.76

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Solution

The fourth proportional to 99,513.28, 149,249.40 and 32,937.76 is: 49,399.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,513.28 : 149,249.40 = 32,937.76 : x
  2. Step 2: Convert to fraction form
    99,513.28/149,249.40 = 32,937.76/x
  3. Step 3: Cross multiply
    99,513.28x = 149,249.40 × 32,937.76
  4. Step 4: Simplify right side
    99,513.28x = 4,915,940,917.34
  5. Step 5: Solve for x
    x = 4,915,940,917.34/99,513.28
  6. Step 6: Final answer
    x = 49,399.85

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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.