Home / 123,108.54-169,897.14-69,395.82

Finding the Fourth Proportional to 123,108.54, 169,897.14 and 69,395.82

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Solution

The fourth proportional to 123,108.54, 169,897.14 and 69,395.82 is: 95,770.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,108.54 : 169,897.14 = 69,395.82 : x
  2. Step 2: Convert to fraction form
    123,108.54/169,897.14 = 69,395.82/x
  3. Step 3: Cross multiply
    123,108.54x = 169,897.14 × 69,395.82
  4. Step 4: Simplify right side
    123,108.54x = 11,790,151,345.95
  5. Step 5: Solve for x
    x = 11,790,151,345.95/123,108.54
  6. Step 6: Final answer
    x = 95,770.38

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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.