Home / 99,434.21-149,149.96-36,268.25

Finding the Fourth Proportional to 99,434.21, 149,149.96 and 36,268.25

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Solution

The fourth proportional to 99,434.21, 149,149.96 and 36,268.25 is: 54,401.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,434.21 : 149,149.96 = 36,268.25 : x
  2. Step 2: Convert to fraction form
    99,434.21/149,149.96 = 36,268.25/x
  3. Step 3: Cross multiply
    99,434.21x = 149,149.96 × 36,268.25
  4. Step 4: Simplify right side
    99,434.21x = 5,409,407,200.35
  5. Step 5: Solve for x
    x = 5,409,407,200.35/99,434.21
  6. Step 6: Final answer
    x = 54,401.88

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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.