Home / 99,529.35-149,319.30-29,408.66

Finding the Fourth Proportional to 99,529.35, 149,319.30 and 29,408.66

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Solution

The fourth proportional to 99,529.35, 149,319.30 and 29,408.66 is: 44,120.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,529.35 : 149,319.30 = 29,408.66 : x
  2. Step 2: Convert to fraction form
    99,529.35/149,319.30 = 29,408.66/x
  3. Step 3: Cross multiply
    99,529.35x = 149,319.30 × 29,408.66
  4. Step 4: Simplify right side
    99,529.35x = 4,391,280,525.14
  5. Step 5: Solve for x
    x = 4,391,280,525.14/99,529.35
  6. Step 6: Final answer
    x = 44,120.46

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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.