Home / 82,664.96-123,984.48-30,066.80

Finding the Fourth Proportional to 82,664.96, 123,984.48 and 30,066.80

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Solution

The fourth proportional to 82,664.96, 123,984.48 and 30,066.80 is: 45,095.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,664.96 : 123,984.48 = 30,066.80 : x
  2. Step 2: Convert to fraction form
    82,664.96/123,984.48 = 30,066.80/x
  3. Step 3: Cross multiply
    82,664.96x = 123,984.48 × 30,066.80
  4. Step 4: Simplify right side
    82,664.96x = 3,727,816,563.26
  5. Step 5: Solve for x
    x = 3,727,816,563.26/82,664.96
  6. Step 6: Final answer
    x = 45,095.49

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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.