Home / 53,107.99-79,634.54-15,663.29

Finding the Fourth Proportional to 53,107.99, 79,634.54 and 15,663.29

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Solution

The fourth proportional to 53,107.99, 79,634.54 and 15,663.29 is: 23,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,107.99 : 79,634.54 = 15,663.29 : x
  2. Step 2: Convert to fraction form
    53,107.99/79,634.54 = 15,663.29/x
  3. Step 3: Cross multiply
    53,107.99x = 79,634.54 × 15,663.29
  4. Step 4: Simplify right side
    53,107.99x = 1,247,339,132.28
  5. Step 5: Solve for x
    x = 1,247,339,132.28/53,107.99
  6. Step 6: Final answer
    x = 23,486.85

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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.