Home / 124,788.38-187,201.93-52,741.60

Finding the Fourth Proportional to 124,788.38, 187,201.93 and 52,741.60

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Solution

The fourth proportional to 124,788.38, 187,201.93 and 52,741.60 is: 79,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,788.38 : 187,201.93 = 52,741.60 : x
  2. Step 2: Convert to fraction form
    124,788.38/187,201.93 = 52,741.60/x
  3. Step 3: Cross multiply
    124,788.38x = 187,201.93 × 52,741.60
  4. Step 4: Simplify right side
    124,788.38x = 9,873,328,375.28
  5. Step 5: Solve for x
    x = 9,873,328,375.28/124,788.38
  6. Step 6: Final answer
    x = 79,120.57

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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.