Home / 123,222.73-170,047.37-66,634.10

Finding the Fourth Proportional to 123,222.73, 170,047.37 and 66,634.10

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Solution

The fourth proportional to 123,222.73, 170,047.37 and 66,634.10 is: 91,955.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,222.73 : 170,047.37 = 66,634.10 : x
  2. Step 2: Convert to fraction form
    123,222.73/170,047.37 = 66,634.10/x
  3. Step 3: Cross multiply
    123,222.73x = 170,047.37 × 66,634.10
  4. Step 4: Simplify right side
    123,222.73x = 11,330,953,795.90
  5. Step 5: Solve for x
    x = 11,330,953,795.90/123,222.73
  6. Step 6: Final answer
    x = 91,955.06

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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.