Home / 53,744.40-80,505.72-31,490.25

Finding the Fourth Proportional to 53,744.40, 80,505.72 and 31,490.25

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Solution

The fourth proportional to 53,744.40, 80,505.72 and 31,490.25 is: 47,170.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,744.40 : 80,505.72 = 31,490.25 : x
  2. Step 2: Convert to fraction form
    53,744.40/80,505.72 = 31,490.25/x
  3. Step 3: Cross multiply
    53,744.40x = 80,505.72 × 31,490.25
  4. Step 4: Simplify right side
    53,744.40x = 2,535,145,249.23
  5. Step 5: Solve for x
    x = 2,535,145,249.23/53,744.40
  6. Step 6: Final answer
    x = 47,170.41

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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.