Home / 49,571.72-68,404.74-28,347.56

Finding the Fourth Proportional to 49,571.72, 68,404.74 and 28,347.56

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Solution

The fourth proportional to 49,571.72, 68,404.74 and 28,347.56 is: 39,117.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,571.72 : 68,404.74 = 28,347.56 : x
  2. Step 2: Convert to fraction form
    49,571.72/68,404.74 = 28,347.56/x
  3. Step 3: Cross multiply
    49,571.72x = 68,404.74 × 28,347.56
  4. Step 4: Simplify right side
    49,571.72x = 1,939,107,471.43
  5. Step 5: Solve for x
    x = 1,939,107,471.43/49,571.72
  6. Step 6: Final answer
    x = 39,117.21

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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.