Home / 56,091.21-84,118.60-18,641.22

Finding the Fourth Proportional to 56,091.21, 84,118.60 and 18,641.22

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Solution

The fourth proportional to 56,091.21, 84,118.60 and 18,641.22 is: 27,955.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,091.21 : 84,118.60 = 18,641.22 : x
  2. Step 2: Convert to fraction form
    56,091.21/84,118.60 = 18,641.22/x
  3. Step 3: Cross multiply
    56,091.21x = 84,118.60 × 18,641.22
  4. Step 4: Simplify right side
    56,091.21x = 1,568,073,328.69
  5. Step 5: Solve for x
    x = 1,568,073,328.69/56,091.21
  6. Step 6: Final answer
    x = 27,955.78

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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.