Home / 107,680.54-161,543.88-32,806.72

Finding the Fourth Proportional to 107,680.54, 161,543.88 and 32,806.72

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Solution

The fourth proportional to 107,680.54, 161,543.88 and 32,806.72 is: 49,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,680.54 : 161,543.88 = 32,806.72 : x
  2. Step 2: Convert to fraction form
    107,680.54/161,543.88 = 32,806.72/x
  3. Step 3: Cross multiply
    107,680.54x = 161,543.88 × 32,806.72
  4. Step 4: Simplify right side
    107,680.54x = 5,299,724,838.87
  5. Step 5: Solve for x
    x = 5,299,724,838.87/107,680.54
  6. Step 6: Final answer
    x = 49,217.11

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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.