Home / 99,915.08-149,839.50-33,336.68

Finding the Fourth Proportional to 99,915.08, 149,839.50 and 33,336.68

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Solution

The fourth proportional to 99,915.08, 149,839.50 and 33,336.68 is: 49,993.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,915.08 : 149,839.50 = 33,336.68 : x
  2. Step 2: Convert to fraction form
    99,915.08/149,839.50 = 33,336.68/x
  3. Step 3: Cross multiply
    99,915.08x = 149,839.50 × 33,336.68
  4. Step 4: Simplify right side
    99,915.08x = 4,995,151,462.86
  5. Step 5: Solve for x
    x = 4,995,151,462.86/99,915.08
  6. Step 6: Final answer
    x = 49,993.97

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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.