Home / 106,269.47-159,441.09-47,146.64

Finding the Fourth Proportional to 106,269.47, 159,441.09 and 47,146.64

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Solution

The fourth proportional to 106,269.47, 159,441.09 and 47,146.64 is: 70,736.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,269.47 : 159,441.09 = 47,146.64 : x
  2. Step 2: Convert to fraction form
    106,269.47/159,441.09 = 47,146.64/x
  3. Step 3: Cross multiply
    106,269.47x = 159,441.09 × 47,146.64
  4. Step 4: Simplify right side
    106,269.47x = 7,517,111,435.70
  5. Step 5: Solve for x
    x = 7,517,111,435.70/106,269.47
  6. Step 6: Final answer
    x = 70,736.33

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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.