Home / 53,093.88-79,642.44-13,650.66

Finding the Fourth Proportional to 53,093.88, 79,642.44 and 13,650.66

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Solution

The fourth proportional to 53,093.88, 79,642.44 and 13,650.66 is: 20,476.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,093.88 : 79,642.44 = 13,650.66 : x
  2. Step 2: Convert to fraction form
    53,093.88/79,642.44 = 13,650.66/x
  3. Step 3: Cross multiply
    53,093.88x = 79,642.44 × 13,650.66
  4. Step 4: Simplify right side
    53,093.88x = 1,087,171,870.01
  5. Step 5: Solve for x
    x = 1,087,171,870.01/53,093.88
  6. Step 6: Final answer
    x = 20,476.41

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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.