Home / 82,108.36-123,162.54-47,023.48

Finding the Fourth Proportional to 82,108.36, 123,162.54 and 47,023.48

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Solution

The fourth proportional to 82,108.36, 123,162.54 and 47,023.48 is: 70,535.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,108.36 : 123,162.54 = 47,023.48 : x
  2. Step 2: Convert to fraction form
    82,108.36/123,162.54 = 47,023.48/x
  3. Step 3: Cross multiply
    82,108.36x = 123,162.54 × 47,023.48
  4. Step 4: Simplify right side
    82,108.36x = 5,791,531,236.44
  5. Step 5: Solve for x
    x = 5,791,531,236.44/82,108.36
  6. Step 6: Final answer
    x = 70,535.22

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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.