Home / 82,059.60-123,089.40-46,974.54

Finding the Fourth Proportional to 82,059.60, 123,089.40 and 46,974.54

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Solution

The fourth proportional to 82,059.60, 123,089.40 and 46,974.54 is: 70,461.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,059.60 : 123,089.40 = 46,974.54 : x
  2. Step 2: Convert to fraction form
    82,059.60/123,089.40 = 46,974.54/x
  3. Step 3: Cross multiply
    82,059.60x = 123,089.40 × 46,974.54
  4. Step 4: Simplify right side
    82,059.60x = 5,782,067,943.88
  5. Step 5: Solve for x
    x = 5,782,067,943.88/82,059.60
  6. Step 6: Final answer
    x = 70,461.81

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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.