Home / 99,766.32-149,623.88-29,629.36

Finding the Fourth Proportional to 99,766.32, 149,623.88 and 29,629.36

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Solution

The fourth proportional to 99,766.32, 149,623.88 and 29,629.36 is: 44,436.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,766.32 : 149,623.88 = 29,629.36 : x
  2. Step 2: Convert to fraction form
    99,766.32/149,623.88 = 29,629.36/x
  3. Step 3: Cross multiply
    99,766.32x = 149,623.88 × 29,629.36
  4. Step 4: Simplify right side
    99,766.32x = 4,433,259,805.12
  5. Step 5: Solve for x
    x = 4,433,259,805.12/99,766.32
  6. Step 6: Final answer
    x = 44,436.44

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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.