Home / 82,974.60-124,445.70-27,570.60

Finding the Fourth Proportional to 82,974.60, 124,445.70 and 27,570.60

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Solution

The fourth proportional to 82,974.60, 124,445.70 and 27,570.60 is: 41,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,974.60 : 124,445.70 = 27,570.60 : x
  2. Step 2: Convert to fraction form
    82,974.60/124,445.70 = 27,570.60/x
  3. Step 3: Cross multiply
    82,974.60x = 124,445.70 × 27,570.60
  4. Step 4: Simplify right side
    82,974.60x = 3,431,042,616.42
  5. Step 5: Solve for x
    x = 3,431,042,616.42/82,974.60
  6. Step 6: Final answer
    x = 41,350.52

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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.