Home / 53,204.94-79,808.88-13,222.31

Finding the Fourth Proportional to 53,204.94, 79,808.88 and 13,222.31

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Solution

The fourth proportional to 53,204.94, 79,808.88 and 13,222.31 is: 19,833.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,204.94 : 79,808.88 = 13,222.31 : x
  2. Step 2: Convert to fraction form
    53,204.94/79,808.88 = 13,222.31/x
  3. Step 3: Cross multiply
    53,204.94x = 79,808.88 × 13,222.31
  4. Step 4: Simplify right side
    53,204.94x = 1,055,257,752.11
  5. Step 5: Solve for x
    x = 1,055,257,752.11/53,204.94
  6. Step 6: Final answer
    x = 19,833.83

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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.