Home / 53,108.25-79,662.38-16,172.25

Finding the Fourth Proportional to 53,108.25, 79,662.38 and 16,172.25

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Solution

The fourth proportional to 53,108.25, 79,662.38 and 16,172.25 is: 24,258.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,108.25 : 79,662.38 = 16,172.25 : x
  2. Step 2: Convert to fraction form
    53,108.25/79,662.38 = 16,172.25/x
  3. Step 3: Cross multiply
    53,108.25x = 79,662.38 × 16,172.25
  4. Step 4: Simplify right side
    53,108.25x = 1,288,319,844.09
  5. Step 5: Solve for x
    x = 1,288,319,844.09/53,108.25
  6. Step 6: Final answer
    x = 24,258.38

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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.