Home / 106,118.82-159,032.07-53,563.14

Finding the Fourth Proportional to 106,118.82, 159,032.07 and 53,563.14

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Solution

The fourth proportional to 106,118.82, 159,032.07 and 53,563.14 is: 80,270.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,118.82 : 159,032.07 = 53,563.14 : x
  2. Step 2: Convert to fraction form
    106,118.82/159,032.07 = 53,563.14/x
  3. Step 3: Cross multiply
    106,118.82x = 159,032.07 × 53,563.14
  4. Step 4: Simplify right side
    106,118.82x = 8,518,257,029.90
  5. Step 5: Solve for x
    x = 8,518,257,029.90/106,118.82
  6. Step 6: Final answer
    x = 80,270.94

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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.