Home / 99,623.12-149,435.16-29,503.76

Finding the Fourth Proportional to 99,623.12, 149,435.16 and 29,503.76

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Solution

The fourth proportional to 99,623.12, 149,435.16 and 29,503.76 is: 44,255.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,623.12 : 149,435.16 = 29,503.76 : x
  2. Step 2: Convert to fraction form
    99,623.12/149,435.16 = 29,503.76/x
  3. Step 3: Cross multiply
    99,623.12x = 149,435.16 × 29,503.76
  4. Step 4: Simplify right side
    99,623.12x = 4,408,899,096.20
  5. Step 5: Solve for x
    x = 4,408,899,096.20/99,623.12
  6. Step 6: Final answer
    x = 44,255.78

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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.