Home / 123,608.25-185,403.06-39,365.01

Finding the Fourth Proportional to 123,608.25, 185,403.06 and 39,365.01

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Solution

The fourth proportional to 123,608.25, 185,403.06 and 39,365.01 is: 59,044.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,608.25 : 185,403.06 = 39,365.01 : x
  2. Step 2: Convert to fraction form
    123,608.25/185,403.06 = 39,365.01/x
  3. Step 3: Cross multiply
    123,608.25x = 185,403.06 × 39,365.01
  4. Step 4: Simplify right side
    123,608.25x = 7,298,393,310.93
  5. Step 5: Solve for x
    x = 7,298,393,310.93/123,608.25
  6. Step 6: Final answer
    x = 59,044.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.