Home / 53,371.37-80,030.94-31,190.33

Finding the Fourth Proportional to 53,371.37, 80,030.94 and 31,190.33

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Solution

The fourth proportional to 53,371.37, 80,030.94 and 31,190.33 is: 46,770.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,371.37 : 80,030.94 = 31,190.33 : x
  2. Step 2: Convert to fraction form
    53,371.37/80,030.94 = 31,190.33/x
  3. Step 3: Cross multiply
    53,371.37x = 80,030.94 × 31,190.33
  4. Step 4: Simplify right side
    53,371.37x = 2,496,191,511.92
  5. Step 5: Solve for x
    x = 2,496,191,511.92/53,371.37
  6. Step 6: Final answer
    x = 46,770.23

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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.