Home / 53,518.60-80,256.34-34,770.54

Finding the Fourth Proportional to 53,518.60, 80,256.34 and 34,770.54

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Solution

The fourth proportional to 53,518.60, 80,256.34 and 34,770.54 is: 52,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,518.60 : 80,256.34 = 34,770.54 : x
  2. Step 2: Convert to fraction form
    53,518.60/80,256.34 = 34,770.54/x
  3. Step 3: Cross multiply
    53,518.60x = 80,256.34 × 34,770.54
  4. Step 4: Simplify right side
    53,518.60x = 2,790,556,280.22
  5. Step 5: Solve for x
    x = 2,790,556,280.22/53,518.60
  6. Step 6: Final answer
    x = 52,141.80

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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.