Home / 82,234.78-113,486.07-50,421.22

Finding the Fourth Proportional to 82,234.78, 113,486.07 and 50,421.22

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Solution

The fourth proportional to 82,234.78, 113,486.07 and 50,421.22 is: 69,582.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,234.78 : 113,486.07 = 50,421.22 : x
  2. Step 2: Convert to fraction form
    82,234.78/113,486.07 = 50,421.22/x
  3. Step 3: Cross multiply
    82,234.78x = 113,486.07 × 50,421.22
  4. Step 4: Simplify right side
    82,234.78x = 5,722,106,102.41
  5. Step 5: Solve for x
    x = 5,722,106,102.41/82,234.78
  6. Step 6: Final answer
    x = 69,582.56

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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.