Home / 107,768.68-161,653.02-32,889.21

Finding the Fourth Proportional to 107,768.68, 161,653.02 and 32,889.21

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Solution

The fourth proportional to 107,768.68, 161,653.02 and 32,889.21 is: 49,333.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,768.68 : 161,653.02 = 32,889.21 : x
  2. Step 2: Convert to fraction form
    107,768.68/161,653.02 = 32,889.21/x
  3. Step 3: Cross multiply
    107,768.68x = 161,653.02 × 32,889.21
  4. Step 4: Simplify right side
    107,768.68x = 5,316,640,121.91
  5. Step 5: Solve for x
    x = 5,316,640,121.91/107,768.68
  6. Step 6: Final answer
    x = 49,333.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.