Home / 48,742.22-73,098.45-20,661.75

Finding the Fourth Proportional to 48,742.22, 73,098.45 and 20,661.75

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Solution

The fourth proportional to 48,742.22, 73,098.45 and 20,661.75 is: 30,986.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,742.22 : 73,098.45 = 20,661.75 : x
  2. Step 2: Convert to fraction form
    48,742.22/73,098.45 = 20,661.75/x
  3. Step 3: Cross multiply
    48,742.22x = 73,098.45 × 20,661.75
  4. Step 4: Simplify right side
    48,742.22x = 1,510,341,899.29
  5. Step 5: Solve for x
    x = 1,510,341,899.29/48,742.22
  6. Step 6: Final answer
    x = 30,986.32

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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.