Home / 82,743.36-124,116.39-40,023.96

Finding the Fourth Proportional to 82,743.36, 124,116.39 and 40,023.96

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Solution

The fourth proportional to 82,743.36, 124,116.39 and 40,023.96 is: 60,036.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,743.36 : 124,116.39 = 40,023.96 : x
  2. Step 2: Convert to fraction form
    82,743.36/124,116.39 = 40,023.96/x
  3. Step 3: Cross multiply
    82,743.36x = 124,116.39 × 40,023.96
  4. Step 4: Simplify right side
    82,743.36x = 4,967,629,428.70
  5. Step 5: Solve for x
    x = 4,967,629,428.70/82,743.36
  6. Step 6: Final answer
    x = 60,036.59

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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.