Home / 82,180.93-123,276.08-23,021.21

Finding the Fourth Proportional to 82,180.93, 123,276.08 and 23,021.21

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Solution

The fourth proportional to 82,180.93, 123,276.08 and 23,021.21 is: 34,533.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,180.93 : 123,276.08 = 23,021.21 : x
  2. Step 2: Convert to fraction form
    82,180.93/123,276.08 = 23,021.21/x
  3. Step 3: Cross multiply
    82,180.93x = 123,276.08 × 23,021.21
  4. Step 4: Simplify right side
    82,180.93x = 2,837,964,761.91
  5. Step 5: Solve for x
    x = 2,837,964,761.91/82,180.93
  6. Step 6: Final answer
    x = 34,533.13

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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.