Home / 123,085.07-169,857.49-66,496.44

Finding the Fourth Proportional to 123,085.07, 169,857.49 and 66,496.44

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Solution

The fourth proportional to 123,085.07, 169,857.49 and 66,496.44 is: 91,765.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,085.07 : 169,857.49 = 66,496.44 : x
  2. Step 2: Convert to fraction form
    123,085.07/169,857.49 = 66,496.44/x
  3. Step 3: Cross multiply
    123,085.07x = 169,857.49 × 66,496.44
  4. Step 4: Simplify right side
    123,085.07x = 11,294,918,392.34
  5. Step 5: Solve for x
    x = 11,294,918,392.34/123,085.07
  6. Step 6: Final answer
    x = 91,765.14

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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.