Home / 123,662.07-170,653.68-69,945.93

Finding the Fourth Proportional to 123,662.07, 170,653.68 and 69,945.93

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Solution

The fourth proportional to 123,662.07, 170,653.68 and 69,945.93 is: 96,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,662.07 : 170,653.68 = 69,945.93 : x
  2. Step 2: Convert to fraction form
    123,662.07/170,653.68 = 69,945.93/x
  3. Step 3: Cross multiply
    123,662.07x = 170,653.68 × 69,945.93
  4. Step 4: Simplify right side
    123,662.07x = 11,936,530,355.52
  5. Step 5: Solve for x
    x = 11,936,530,355.52/123,662.07
  6. Step 6: Final answer
    x = 96,525.40

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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.