Home / 55,138.33-76,059.43-33,902.56

Finding the Fourth Proportional to 55,138.33, 76,059.43 and 33,902.56

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Solution

The fourth proportional to 55,138.33, 76,059.43 and 33,902.56 is: 46,766.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,138.33 : 76,059.43 = 33,902.56 : x
  2. Step 2: Convert to fraction form
    55,138.33/76,059.43 = 33,902.56/x
  3. Step 3: Cross multiply
    55,138.33x = 76,059.43 × 33,902.56
  4. Step 4: Simplify right side
    55,138.33x = 2,578,609,389.14
  5. Step 5: Solve for x
    x = 2,578,609,389.14/55,138.33
  6. Step 6: Final answer
    x = 46,766.19

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1.5x scale

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.