Home / 53,163.29-73,368.66-29,289.97

Finding the Fourth Proportional to 53,163.29, 73,368.66 and 29,289.97

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Solution

The fourth proportional to 53,163.29, 73,368.66 and 29,289.97 is: 40,421.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,163.29 : 73,368.66 = 29,289.97 : x
  2. Step 2: Convert to fraction form
    53,163.29/73,368.66 = 29,289.97/x
  3. Step 3: Cross multiply
    53,163.29x = 73,368.66 × 29,289.97
  4. Step 4: Simplify right side
    53,163.29x = 2,148,965,850.34
  5. Step 5: Solve for x
    x = 2,148,965,850.34/53,163.29
  6. Step 6: Final answer
    x = 40,421.99

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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.