Home / 53,391.52-80,135.84-28,452.48

Finding the Fourth Proportional to 53,391.52, 80,135.84 and 28,452.48

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Solution

The fourth proportional to 53,391.52, 80,135.84 and 28,452.48 is: 42,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,391.52 : 80,135.84 = 28,452.48 : x
  2. Step 2: Convert to fraction form
    53,391.52/80,135.84 = 28,452.48/x
  3. Step 3: Cross multiply
    53,391.52x = 80,135.84 × 28,452.48
  4. Step 4: Simplify right side
    53,391.52x = 2,280,063,384.88
  5. Step 5: Solve for x
    x = 2,280,063,384.88/53,391.52
  6. Step 6: Final answer
    x = 42,704.60

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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.