Home / 53,764.32-80,637.84-16,828.32

Finding the Fourth Proportional to 53,764.32, 80,637.84 and 16,828.32

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Solution

The fourth proportional to 53,764.32, 80,637.84 and 16,828.32 is: 25,239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,764.32 : 80,637.84 = 16,828.32 : x
  2. Step 2: Convert to fraction form
    53,764.32/80,637.84 = 16,828.32/x
  3. Step 3: Cross multiply
    53,764.32x = 80,637.84 × 16,828.32
  4. Step 4: Simplify right side
    53,764.32x = 1,356,999,375.63
  5. Step 5: Solve for x
    x = 1,356,999,375.63/53,764.32
  6. Step 6: Final answer
    x = 25,239.78

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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.