Home / 49,675.97-68,521.99-30,813.09

Finding the Fourth Proportional to 49,675.97, 68,521.99 and 30,813.09

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Solution

The fourth proportional to 49,675.97, 68,521.99 and 30,813.09 is: 42,502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,675.97 : 68,521.99 = 30,813.09 : x
  2. Step 2: Convert to fraction form
    49,675.97/68,521.99 = 30,813.09/x
  3. Step 3: Cross multiply
    49,675.97x = 68,521.99 × 30,813.09
  4. Step 4: Simplify right side
    49,675.97x = 2,111,374,244.85
  5. Step 5: Solve for x
    x = 2,111,374,244.85/49,675.97
  6. Step 6: Final answer
    x = 42,502.93

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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.