Home / 53,558.70-80,349.29-16,121.51

Finding the Fourth Proportional to 53,558.70, 80,349.29 and 16,121.51

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Solution

The fourth proportional to 53,558.70, 80,349.29 and 16,121.51 is: 24,185.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,558.70 : 80,349.29 = 16,121.51 : x
  2. Step 2: Convert to fraction form
    53,558.70/80,349.29 = 16,121.51/x
  3. Step 3: Cross multiply
    53,558.70x = 80,349.29 × 16,121.51
  4. Step 4: Simplify right side
    53,558.70x = 1,295,352,002.49
  5. Step 5: Solve for x
    x = 1,295,352,002.49/53,558.70
  6. Step 6: Final answer
    x = 24,185.65

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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.