Home / 49,763.70-74,645.55-31,101.30

Finding the Fourth Proportional to 49,763.70, 74,645.55 and 31,101.30

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Solution

The fourth proportional to 49,763.70, 74,645.55 and 31,101.30 is: 46,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,763.70 : 74,645.55 = 31,101.30 : x
  2. Step 2: Convert to fraction form
    49,763.70/74,645.55 = 31,101.30/x
  3. Step 3: Cross multiply
    49,763.70x = 74,645.55 × 31,101.30
  4. Step 4: Simplify right side
    49,763.70x = 2,321,573,644.22
  5. Step 5: Solve for x
    x = 2,321,573,644.22/49,763.70
  6. Step 6: Final answer
    x = 46,651.95

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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.