Home / 106,930.25-147,563.20-59,183.47

Finding the Fourth Proportional to 106,930.25, 147,563.20 and 59,183.47

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Solution

The fourth proportional to 106,930.25, 147,563.20 and 59,183.47 is: 81,672.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,930.25 : 147,563.20 = 59,183.47 : x
  2. Step 2: Convert to fraction form
    106,930.25/147,563.20 = 59,183.47/x
  3. Step 3: Cross multiply
    106,930.25x = 147,563.20 × 59,183.47
  4. Step 4: Simplify right side
    106,930.25x = 8,733,302,220.30
  5. Step 5: Solve for x
    x = 8,733,302,220.30/106,930.25
  6. Step 6: Final answer
    x = 81,672.89

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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.