Home / 85,204.36-127,805.82-22,019.05

Finding the Fourth Proportional to 85,204.36, 127,805.82 and 22,019.05

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Solution

The fourth proportional to 85,204.36, 127,805.82 and 22,019.05 is: 33,028.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,204.36 : 127,805.82 = 22,019.05 : x
  2. Step 2: Convert to fraction form
    85,204.36/127,805.82 = 22,019.05/x
  3. Step 3: Cross multiply
    85,204.36x = 127,805.82 × 22,019.05
  4. Step 4: Simplify right side
    85,204.36x = 2,814,162,740.87
  5. Step 5: Solve for x
    x = 2,814,162,740.87/85,204.36
  6. Step 6: Final answer
    x = 33,028.39

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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.