Home / 99,202.25-149,006.79-65,517.86

Finding the Fourth Proportional to 99,202.25, 149,006.79 and 65,517.86

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Solution

The fourth proportional to 99,202.25, 149,006.79 and 65,517.86 is: 98,411.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,202.25 : 149,006.79 = 65,517.86 : x
  2. Step 2: Convert to fraction form
    99,202.25/149,006.79 = 65,517.86/x
  3. Step 3: Cross multiply
    99,202.25x = 149,006.79 × 65,517.86
  4. Step 4: Simplify right side
    99,202.25x = 9,762,606,378.79
  5. Step 5: Solve for x
    x = 9,762,606,378.79/99,202.25
  6. Step 6: Final answer
    x = 98,411.14

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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.