Home / 55,758.45-76,911.66-33,081.39

Finding the Fourth Proportional to 55,758.45, 76,911.66 and 33,081.39

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Solution

The fourth proportional to 55,758.45, 76,911.66 and 33,081.39 is: 45,631.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,758.45 : 76,911.66 = 33,081.39 : x
  2. Step 2: Convert to fraction form
    55,758.45/76,911.66 = 33,081.39/x
  3. Step 3: Cross multiply
    55,758.45x = 76,911.66 × 33,081.39
  4. Step 4: Simplify right side
    55,758.45x = 2,544,344,620.01
  5. Step 5: Solve for x
    x = 2,544,344,620.01/55,758.45
  6. Step 6: Final answer
    x = 45,631.55

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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.