Home / 107,680.83-161,529.44-32,807.36

Finding the Fourth Proportional to 107,680.83, 161,529.44 and 32,807.36

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Solution

The fourth proportional to 107,680.83, 161,529.44 and 32,807.36 is: 49,213.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,680.83 : 161,529.44 = 32,807.36 : x
  2. Step 2: Convert to fraction form
    107,680.83/161,529.44 = 32,807.36/x
  3. Step 3: Cross multiply
    107,680.83x = 161,529.44 × 32,807.36
  4. Step 4: Simplify right side
    107,680.83x = 5,299,354,913.01
  5. Step 5: Solve for x
    x = 5,299,354,913.01/107,680.83
  6. Step 6: Final answer
    x = 49,213.54

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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.