Home / 82,172.88-123,247.17-23,004.81

Finding the Fourth Proportional to 82,172.88, 123,247.17 and 23,004.81

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Solution

The fourth proportional to 82,172.88, 123,247.17 and 23,004.81 is: 34,503.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,172.88 : 123,247.17 = 23,004.81 : x
  2. Step 2: Convert to fraction form
    82,172.88/123,247.17 = 23,004.81/x
  3. Step 3: Cross multiply
    82,172.88x = 123,247.17 × 23,004.81
  4. Step 4: Simplify right side
    82,172.88x = 2,835,277,728.89
  5. Step 5: Solve for x
    x = 2,835,277,728.89/82,172.88
  6. Step 6: Final answer
    x = 34,503.81

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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.