Home / 82,039.35-113,161.77-51,771.27

Finding the Fourth Proportional to 82,039.35, 113,161.77 and 51,771.27

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Solution

The fourth proportional to 82,039.35, 113,161.77 and 51,771.27 is: 71,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,039.35 : 113,161.77 = 51,771.27 : x
  2. Step 2: Convert to fraction form
    82,039.35/113,161.77 = 51,771.27/x
  3. Step 3: Cross multiply
    82,039.35x = 113,161.77 × 51,771.27
  4. Step 4: Simplify right side
    82,039.35x = 5,858,528,548.35
  5. Step 5: Solve for x
    x = 5,858,528,548.35/82,039.35
  6. Step 6: Final answer
    x = 71,411.20

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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.