Home / 53,466.63-80,211.23-20,185.96

Finding the Fourth Proportional to 53,466.63, 80,211.23 and 20,185.96

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Solution

The fourth proportional to 53,466.63, 80,211.23 and 20,185.96 is: 30,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,466.63 : 80,211.23 = 20,185.96 : x
  2. Step 2: Convert to fraction form
    53,466.63/80,211.23 = 20,185.96/x
  3. Step 3: Cross multiply
    53,466.63x = 80,211.23 × 20,185.96
  4. Step 4: Simplify right side
    53,466.63x = 1,619,140,680.33
  5. Step 5: Solve for x
    x = 1,619,140,680.33/53,466.63
  6. Step 6: Final answer
    x = 30,283.20

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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.