Home / 53,163.98-73,333.85-31,639.29

Finding the Fourth Proportional to 53,163.98, 73,333.85 and 31,639.29

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Solution

The fourth proportional to 53,163.98, 73,333.85 and 31,639.29 is: 43,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,163.98 : 73,333.85 = 31,639.29 : x
  2. Step 2: Convert to fraction form
    53,163.98/73,333.85 = 31,639.29/x
  3. Step 3: Cross multiply
    53,163.98x = 73,333.85 × 31,639.29
  4. Step 4: Simplify right side
    53,163.98x = 2,320,230,788.77
  5. Step 5: Solve for x
    x = 2,320,230,788.77/53,163.98
  6. Step 6: Final answer
    x = 43,642.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.