Home / 99,663.07-149,519.85-33,103.54

Finding the Fourth Proportional to 99,663.07, 149,519.85 and 33,103.54

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Solution

The fourth proportional to 99,663.07, 149,519.85 and 33,103.54 is: 49,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,663.07 : 149,519.85 = 33,103.54 : x
  2. Step 2: Convert to fraction form
    99,663.07/149,519.85 = 33,103.54/x
  3. Step 3: Cross multiply
    99,663.07x = 149,519.85 × 33,103.54
  4. Step 4: Simplify right side
    99,663.07x = 4,949,636,335.27
  5. Step 5: Solve for x
    x = 4,949,636,335.27/99,663.07
  6. Step 6: Final answer
    x = 49,663.70

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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.