Home / 123,336.56-170,204.37-69,622.04

Finding the Fourth Proportional to 123,336.56, 170,204.37 and 69,622.04

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Solution

The fourth proportional to 123,336.56, 170,204.37 and 69,622.04 is: 96,078.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,336.56 : 170,204.37 = 69,622.04 : x
  2. Step 2: Convert to fraction form
    123,336.56/170,204.37 = 69,622.04/x
  3. Step 3: Cross multiply
    123,336.56x = 170,204.37 × 69,622.04
  4. Step 4: Simplify right side
    123,336.56x = 11,849,974,605.29
  5. Step 5: Solve for x
    x = 11,849,974,605.29/123,336.56
  6. Step 6: Final answer
    x = 96,078.37

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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.