Home / 82,066.96-123,098.28-25,904.80

Finding the Fourth Proportional to 82,066.96, 123,098.28 and 25,904.80

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Solution

The fourth proportional to 82,066.96, 123,098.28 and 25,904.80 is: 38,856.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,066.96 : 123,098.28 = 25,904.80 : x
  2. Step 2: Convert to fraction form
    82,066.96/123,098.28 = 25,904.80/x
  3. Step 3: Cross multiply
    82,066.96x = 123,098.28 × 25,904.80
  4. Step 4: Simplify right side
    82,066.96x = 3,188,836,323.74
  5. Step 5: Solve for x
    x = 3,188,836,323.74/82,066.96
  6. Step 6: Final answer
    x = 38,856.52

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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.