Home / 53,176.71-79,765.34-13,731.11

Finding the Fourth Proportional to 53,176.71, 79,765.34 and 13,731.11

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Solution

The fourth proportional to 53,176.71, 79,765.34 and 13,731.11 is: 20,596.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,176.71 : 79,765.34 = 13,731.11 : x
  2. Step 2: Convert to fraction form
    53,176.71/79,765.34 = 13,731.11/x
  3. Step 3: Cross multiply
    53,176.71x = 79,765.34 × 13,731.11
  4. Step 4: Simplify right side
    53,176.71x = 1,095,266,190.25
  5. Step 5: Solve for x
    x = 1,095,266,190.25/53,176.71
  6. Step 6: Final answer
    x = 20,596.73

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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.