Home / 99,365.44-149,049.36-39,408.64

Finding the Fourth Proportional to 99,365.44, 149,049.36 and 39,408.64

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Solution

The fourth proportional to 99,365.44, 149,049.36 and 39,408.64 is: 59,113.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,365.44 : 149,049.36 = 39,408.64 : x
  2. Step 2: Convert to fraction form
    99,365.44/149,049.36 = 39,408.64/x
  3. Step 3: Cross multiply
    99,365.44x = 149,049.36 × 39,408.64
  4. Step 4: Simplify right side
    99,365.44x = 5,873,832,570.47
  5. Step 5: Solve for x
    x = 5,873,832,570.47/99,365.44
  6. Step 6: Final answer
    x = 59,113.44

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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.