Home / 99,824.82-149,736.96-40,646.58

Finding the Fourth Proportional to 99,824.82, 149,736.96 and 40,646.58

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Solution

The fourth proportional to 99,824.82, 149,736.96 and 40,646.58 is: 60,969.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,824.82 : 149,736.96 = 40,646.58 : x
  2. Step 2: Convert to fraction form
    99,824.82/149,736.96 = 40,646.58/x
  3. Step 3: Cross multiply
    99,824.82x = 149,736.96 × 40,646.58
  4. Step 4: Simplify right side
    99,824.82x = 6,086,295,323.60
  5. Step 5: Solve for x
    x = 6,086,295,323.60/99,824.82
  6. Step 6: Final answer
    x = 60,969.76

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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.