Home / 57,383.34-79,155.27-40,412.22

Finding the Fourth Proportional to 57,383.34, 79,155.27 and 40,412.22

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Solution

The fourth proportional to 57,383.34, 79,155.27 and 40,412.22 is: 55,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,383.34 : 79,155.27 = 40,412.22 : x
  2. Step 2: Convert to fraction form
    57,383.34/79,155.27 = 40,412.22/x
  3. Step 3: Cross multiply
    57,383.34x = 79,155.27 × 40,412.22
  4. Step 4: Simplify right side
    57,383.34x = 3,198,840,185.40
  5. Step 5: Solve for x
    x = 3,198,840,185.40/57,383.34
  6. Step 6: Final answer
    x = 55,745.10

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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.