Home / 49,896.18-68,839.92-31,032.18

Finding the Fourth Proportional to 49,896.18, 68,839.92 and 31,032.18

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Solution

The fourth proportional to 49,896.18, 68,839.92 and 31,032.18 is: 42,813.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,896.18 : 68,839.92 = 31,032.18 : x
  2. Step 2: Convert to fraction form
    49,896.18/68,839.92 = 31,032.18/x
  3. Step 3: Cross multiply
    49,896.18x = 68,839.92 × 31,032.18
  4. Step 4: Simplify right side
    49,896.18x = 2,136,252,788.63
  5. Step 5: Solve for x
    x = 2,136,252,788.63/49,896.18
  6. Step 6: Final answer
    x = 42,813.95

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1.5x scale

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.