Home / 82,219.44-113,421.01-49,945.50

Finding the Fourth Proportional to 82,219.44, 113,421.01 and 49,945.50

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Solution

The fourth proportional to 82,219.44, 113,421.01 and 49,945.50 is: 68,899.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,219.44 : 113,421.01 = 49,945.50 : x
  2. Step 2: Convert to fraction form
    82,219.44/113,421.01 = 49,945.50/x
  3. Step 3: Cross multiply
    82,219.44x = 113,421.01 × 49,945.50
  4. Step 4: Simplify right side
    82,219.44x = 5,664,869,054.96
  5. Step 5: Solve for x
    x = 5,664,869,054.96/82,219.44
  6. Step 6: Final answer
    x = 68,899.39

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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.