Home / 55,844.82-83,781-27,778.19

Finding the Fourth Proportional to 55,844.82, 83,781 and 27,778.19

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Solution

The fourth proportional to 55,844.82, 83,781 and 27,778.19 is: 41,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,844.82 : 83,781 = 27,778.19 : x
  2. Step 2: Convert to fraction form
    55,844.82/83,781 = 27,778.19/x
  3. Step 3: Cross multiply
    55,844.82x = 83,781 × 27,778.19
  4. Step 4: Simplify right side
    55,844.82x = 2,327,284,117.49
  5. Step 5: Solve for x
    x = 2,327,284,117.49/55,844.82
  6. Step 6: Final answer
    x = 41,674.13

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1.5x scale

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.