Home / 53,757.87-80,535.65-31,505.15

Finding the Fourth Proportional to 53,757.87, 80,535.65 and 31,505.15

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Solution

The fourth proportional to 53,757.87, 80,535.65 and 31,505.15 is: 47,198.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,757.87 : 80,535.65 = 31,505.15 : x
  2. Step 2: Convert to fraction form
    53,757.87/80,535.65 = 31,505.15/x
  3. Step 3: Cross multiply
    53,757.87x = 80,535.65 × 31,505.15
  4. Step 4: Simplify right side
    53,757.87x = 2,537,287,173.39
  5. Step 5: Solve for x
    x = 2,537,287,173.39/53,757.87
  6. Step 6: Final answer
    x = 47,198.43

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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.