Home / 82,637.76-123,912.64-32,715.84

Finding the Fourth Proportional to 82,637.76, 123,912.64 and 32,715.84

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Solution

The fourth proportional to 82,637.76, 123,912.64 and 32,715.84 is: 49,056.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,637.76 : 123,912.64 = 32,715.84 : x
  2. Step 2: Convert to fraction form
    82,637.76/123,912.64 = 32,715.84/x
  3. Step 3: Cross multiply
    82,637.76x = 123,912.64 × 32,715.84
  4. Step 4: Simplify right side
    82,637.76x = 4,053,906,104.22
  5. Step 5: Solve for x
    x = 4,053,906,104.22/82,637.76
  6. Step 6: Final answer
    x = 49,056.34

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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.