Home / 81,136.31-111,963.17-44,836.92

Finding the Fourth Proportional to 81,136.31, 111,963.17 and 44,836.92

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Solution

The fourth proportional to 81,136.31, 111,963.17 and 44,836.92 is: 61,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,136.31 : 111,963.17 = 44,836.92 : x
  2. Step 2: Convert to fraction form
    81,136.31/111,963.17 = 44,836.92/x
  3. Step 3: Cross multiply
    81,136.31x = 111,963.17 × 44,836.92
  4. Step 4: Simplify right side
    81,136.31x = 5,020,083,472.05
  5. Step 5: Solve for x
    x = 5,020,083,472.05/81,136.31
  6. Step 6: Final answer
    x = 61,872.22

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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.