Home / 99,444.54-149,166.81-40,239.48

Finding the Fourth Proportional to 99,444.54, 149,166.81 and 40,239.48

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Solution

The fourth proportional to 99,444.54, 149,166.81 and 40,239.48 is: 60,359.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,444.54 : 149,166.81 = 40,239.48 : x
  2. Step 2: Convert to fraction form
    99,444.54/149,166.81 = 40,239.48/x
  3. Step 3: Cross multiply
    99,444.54x = 149,166.81 × 40,239.48
  4. Step 4: Simplify right side
    99,444.54x = 6,002,394,867.66
  5. Step 5: Solve for x
    x = 6,002,394,867.66/99,444.54
  6. Step 6: Final answer
    x = 60,359.22

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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.