Home / 53,747.87-74,002.65-48,765.62

Finding the Fourth Proportional to 53,747.87, 74,002.65 and 48,765.62

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Solution

The fourth proportional to 53,747.87, 74,002.65 and 48,765.62 is: 67,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,747.87 : 74,002.65 = 48,765.62 : x
  2. Step 2: Convert to fraction form
    53,747.87/74,002.65 = 48,765.62/x
  3. Step 3: Cross multiply
    53,747.87x = 74,002.65 × 48,765.62
  4. Step 4: Simplify right side
    53,747.87x = 3,608,784,738.88
  5. Step 5: Solve for x
    x = 3,608,784,738.88/53,747.87
  6. Step 6: Final answer
    x = 67,142.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.