Home / 99,775.32-149,630.70-33,197.55

Finding the Fourth Proportional to 99,775.32, 149,630.70 and 33,197.55

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Solution

The fourth proportional to 99,775.32, 149,630.70 and 33,197.55 is: 49,785.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,775.32 : 149,630.70 = 33,197.55 : x
  2. Step 2: Convert to fraction form
    99,775.32/149,630.70 = 33,197.55/x
  3. Step 3: Cross multiply
    99,775.32x = 149,630.70 × 33,197.55
  4. Step 4: Simplify right side
    99,775.32x = 4,967,372,644.79
  5. Step 5: Solve for x
    x = 4,967,372,644.79/99,775.32
  6. Step 6: Final answer
    x = 49,785.58

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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.