Home / 106,974.24-147,623.40-61,635.54

Finding the Fourth Proportional to 106,974.24, 147,623.40 and 61,635.54

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Solution

The fourth proportional to 106,974.24, 147,623.40 and 61,635.54 is: 85,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,974.24 : 147,623.40 = 61,635.54 : x
  2. Step 2: Convert to fraction form
    106,974.24/147,623.40 = 61,635.54/x
  3. Step 3: Cross multiply
    106,974.24x = 147,623.40 × 61,635.54
  4. Step 4: Simplify right side
    106,974.24x = 9,098,847,975.64
  5. Step 5: Solve for x
    x = 9,098,847,975.64/106,974.24
  6. Step 6: Final answer
    x = 85,056.44

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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.