Home / 51,136.91-70,568.92-29,920.27

Finding the Fourth Proportional to 51,136.91, 70,568.92 and 29,920.27

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Solution

The fourth proportional to 51,136.91, 70,568.92 and 29,920.27 is: 41,289.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,136.91 : 70,568.92 = 29,920.27 : x
  2. Step 2: Convert to fraction form
    51,136.91/70,568.92 = 29,920.27/x
  3. Step 3: Cross multiply
    51,136.91x = 70,568.92 × 29,920.27
  4. Step 4: Simplify right side
    51,136.91x = 2,111,441,140.01
  5. Step 5: Solve for x
    x = 2,111,441,140.01/51,136.91
  6. Step 6: Final answer
    x = 41,289.96

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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.