Home / 106,736.41-159,772.47-67,210.49

Finding the Fourth Proportional to 106,736.41, 159,772.47 and 67,210.49

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Solution

The fourth proportional to 106,736.41, 159,772.47 and 67,210.49 is: 100,606.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,736.41 : 159,772.47 = 67,210.49 : x
  2. Step 2: Convert to fraction form
    106,736.41/159,772.47 = 67,210.49/x
  3. Step 3: Cross multiply
    106,736.41x = 159,772.47 × 67,210.49
  4. Step 4: Simplify right side
    106,736.41x = 10,738,385,545.46
  5. Step 5: Solve for x
    x = 10,738,385,545.46/106,736.41
  6. Step 6: Final answer
    x = 100,606.58

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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.