Home / 123,608.08-170,582.75-69,891.96

Finding the Fourth Proportional to 123,608.08, 170,582.75 and 69,891.96

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Solution

The fourth proportional to 123,608.08, 170,582.75 and 69,891.96 is: 96,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,608.08 : 170,582.75 = 69,891.96 : x
  2. Step 2: Convert to fraction form
    123,608.08/170,582.75 = 69,891.96/x
  3. Step 3: Cross multiply
    123,608.08x = 170,582.75 × 69,891.96
  4. Step 4: Simplify right side
    123,608.08x = 11,922,362,739.69
  5. Step 5: Solve for x
    x = 11,922,362,739.69/123,608.08
  6. Step 6: Final answer
    x = 96,452.94

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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.