Home / 56,199.75-84,331.50-20,656.44

Finding the Fourth Proportional to 56,199.75, 84,331.50 and 20,656.44

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Solution

The fourth proportional to 56,199.75, 84,331.50 and 20,656.44 is: 30,996.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,199.75 : 84,331.50 = 20,656.44 : x
  2. Step 2: Convert to fraction form
    56,199.75/84,331.50 = 20,656.44/x
  3. Step 3: Cross multiply
    56,199.75x = 84,331.50 × 20,656.44
  4. Step 4: Simplify right side
    56,199.75x = 1,741,988,903.87
  5. Step 5: Solve for x
    x = 1,741,988,903.87/56,199.75
  6. Step 6: Final answer
    x = 30,996.38

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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.