Home / 48,195.10-72,295.49-18,613.09

Finding the Fourth Proportional to 48,195.10, 72,295.49 and 18,613.09

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Solution

The fourth proportional to 48,195.10, 72,295.49 and 18,613.09 is: 27,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,195.10 : 72,295.49 = 18,613.09 : x
  2. Step 2: Convert to fraction form
    48,195.10/72,295.49 = 18,613.09/x
  3. Step 3: Cross multiply
    48,195.10x = 72,295.49 × 18,613.09
  4. Step 4: Simplify right side
    48,195.10x = 1,345,642,461.96
  5. Step 5: Solve for x
    x = 1,345,642,461.96/48,195.10
  6. Step 6: Final answer
    x = 27,920.73

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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.