Home / 53,197.85-79,799.52-13,755.31

Finding the Fourth Proportional to 53,197.85, 79,799.52 and 13,755.31

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Solution

The fourth proportional to 53,197.85, 79,799.52 and 13,755.31 is: 20,633.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,197.85 : 79,799.52 = 13,755.31 : x
  2. Step 2: Convert to fraction form
    53,197.85/79,799.52 = 13,755.31/x
  3. Step 3: Cross multiply
    53,197.85x = 79,799.52 × 13,755.31
  4. Step 4: Simplify right side
    53,197.85x = 1,097,666,736.45
  5. Step 5: Solve for x
    x = 1,097,666,736.45/53,197.85
  6. Step 6: Final answer
    x = 20,633.67

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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.