Home / 48,133.26-72,212.19-18,543.16

Finding the Fourth Proportional to 48,133.26, 72,212.19 and 18,543.16

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Solution

The fourth proportional to 48,133.26, 72,212.19 and 18,543.16 is: 27,819.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,133.26 : 72,212.19 = 18,543.16 : x
  2. Step 2: Convert to fraction form
    48,133.26/72,212.19 = 18,543.16/x
  3. Step 3: Cross multiply
    48,133.26x = 72,212.19 × 18,543.16
  4. Step 4: Simplify right side
    48,133.26x = 1,339,042,193.12
  5. Step 5: Solve for x
    x = 1,339,042,193.12/48,133.26
  6. Step 6: Final answer
    x = 27,819.48

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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.