Home / 106,942.74-147,544.83-61,619.55

Finding the Fourth Proportional to 106,942.74, 147,544.83 and 61,619.55

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Solution

The fourth proportional to 106,942.74, 147,544.83 and 61,619.55 is: 85,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,942.74 : 147,544.83 = 61,619.55 : x
  2. Step 2: Convert to fraction form
    106,942.74/147,544.83 = 61,619.55/x
  3. Step 3: Cross multiply
    106,942.74x = 147,544.83 × 61,619.55
  4. Step 4: Simplify right side
    106,942.74x = 9,091,646,029.43
  5. Step 5: Solve for x
    x = 9,091,646,029.43/106,942.74
  6. Step 6: Final answer
    x = 85,014.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.