Home / 99,335.76-149,003.52-40,170.96

Finding the Fourth Proportional to 99,335.76, 149,003.52 and 40,170.96

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Solution

The fourth proportional to 99,335.76, 149,003.52 and 40,170.96 is: 60,256.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,335.76 : 149,003.52 = 40,170.96 : x
  2. Step 2: Convert to fraction form
    99,335.76/149,003.52 = 40,170.96/x
  3. Step 3: Cross multiply
    99,335.76x = 149,003.52 × 40,170.96
  4. Step 4: Simplify right side
    99,335.76x = 5,985,614,441.78
  5. Step 5: Solve for x
    x = 5,985,614,441.78/99,335.76
  6. Step 6: Final answer
    x = 60,256.39

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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.