Home / 99,778.41-149,692.32-29,657.52

Finding the Fourth Proportional to 99,778.41, 149,692.32 and 29,657.52

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Solution

The fourth proportional to 99,778.41, 149,692.32 and 29,657.52 is: 44,493.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,778.41 : 149,692.32 = 29,657.52 : x
  2. Step 2: Convert to fraction form
    99,778.41/149,692.32 = 29,657.52/x
  3. Step 3: Cross multiply
    99,778.41x = 149,692.32 × 29,657.52
  4. Step 4: Simplify right side
    99,778.41x = 4,439,502,974.25
  5. Step 5: Solve for x
    x = 4,439,502,974.25/99,778.41
  6. Step 6: Final answer
    x = 44,493.62

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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.