Home / 99,770.32-149,629.88-29,633.36

Finding the Fourth Proportional to 99,770.32, 149,629.88 and 29,633.36

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Solution

The fourth proportional to 99,770.32, 149,629.88 and 29,633.36 is: 44,442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,770.32 : 149,629.88 = 29,633.36 : x
  2. Step 2: Convert to fraction form
    99,770.32/149,629.88 = 29,633.36/x
  3. Step 3: Cross multiply
    99,770.32x = 149,629.88 × 29,633.36
  4. Step 4: Simplify right side
    99,770.32x = 4,434,036,100.80
  5. Step 5: Solve for x
    x = 4,434,036,100.80/99,770.32
  6. Step 6: Final answer
    x = 44,442.44

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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.