Home / 82,133.76-123,247.62-32,218.32

Finding the Fourth Proportional to 82,133.76, 123,247.62 and 32,218.32

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Solution

The fourth proportional to 82,133.76, 123,247.62 and 32,218.32 is: 48,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,133.76 : 123,247.62 = 32,218.32 : x
  2. Step 2: Convert to fraction form
    82,133.76/123,247.62 = 32,218.32/x
  3. Step 3: Cross multiply
    82,133.76x = 123,247.62 × 32,218.32
  4. Step 4: Simplify right side
    82,133.76x = 3,970,831,260.40
  5. Step 5: Solve for x
    x = 3,970,831,260.40/82,133.76
  6. Step 6: Final answer
    x = 48,345.91

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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.