Home / 123,983.44-171,044.36-73,655.12

Finding the Fourth Proportional to 123,983.44, 171,044.36 and 73,655.12

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Solution

The fourth proportional to 123,983.44, 171,044.36 and 73,655.12 is: 101,612.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,983.44 : 171,044.36 = 73,655.12 : x
  2. Step 2: Convert to fraction form
    123,983.44/171,044.36 = 73,655.12/x
  3. Step 3: Cross multiply
    123,983.44x = 171,044.36 × 73,655.12
  4. Step 4: Simplify right side
    123,983.44x = 12,598,292,861.12
  5. Step 5: Solve for x
    x = 12,598,292,861.12/123,983.44
  6. Step 6: Final answer
    x = 101,612.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.