Home / 53,165.28-79,745.94-13,184.37

Finding the Fourth Proportional to 53,165.28, 79,745.94 and 13,184.37

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Solution

The fourth proportional to 53,165.28, 79,745.94 and 13,184.37 is: 19,776.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,165.28 : 79,745.94 = 13,184.37 : x
  2. Step 2: Convert to fraction form
    53,165.28/79,745.94 = 13,184.37/x
  3. Step 3: Cross multiply
    53,165.28x = 79,745.94 × 13,184.37
  4. Step 4: Simplify right side
    53,165.28x = 1,051,399,978.96
  5. Step 5: Solve for x
    x = 1,051,399,978.96/53,165.28
  6. Step 6: Final answer
    x = 19,776.06

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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.