Home / 82,057.60-123,086.40-46,972.54

Finding the Fourth Proportional to 82,057.60, 123,086.40 and 46,972.54

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Solution

The fourth proportional to 82,057.60, 123,086.40 and 46,972.54 is: 70,458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,057.60 : 123,086.40 = 46,972.54 : x
  2. Step 2: Convert to fraction form
    82,057.60/123,086.40 = 46,972.54/x
  3. Step 3: Cross multiply
    82,057.60x = 123,086.40 × 46,972.54
  4. Step 4: Simplify right side
    82,057.60x = 5,781,680,847.46
  5. Step 5: Solve for x
    x = 5,781,680,847.46/82,057.60
  6. Step 6: Final answer
    x = 70,458.81

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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.