Home / 106,650.41-159,860.79-56,680.16

Finding the Fourth Proportional to 106,650.41, 159,860.79 and 56,680.16

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Solution

The fourth proportional to 106,650.41, 159,860.79 and 56,680.16 is: 84,959.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,650.41 : 159,860.79 = 56,680.16 : x
  2. Step 2: Convert to fraction form
    106,650.41/159,860.79 = 56,680.16/x
  3. Step 3: Cross multiply
    106,650.41x = 159,860.79 × 56,680.16
  4. Step 4: Simplify right side
    106,650.41x = 9,060,934,355.62
  5. Step 5: Solve for x
    x = 9,060,934,355.62/106,650.41
  6. Step 6: Final answer
    x = 84,959.21

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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.