Home / 53,682.63-80,538.53-18,625.02

Finding the Fourth Proportional to 53,682.63, 80,538.53 and 18,625.02

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Solution

The fourth proportional to 53,682.63, 80,538.53 and 18,625.02 is: 27,942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,682.63 : 80,538.53 = 18,625.02 : x
  2. Step 2: Convert to fraction form
    53,682.63/80,538.53 = 18,625.02/x
  3. Step 3: Cross multiply
    53,682.63x = 80,538.53 × 18,625.02
  4. Step 4: Simplify right side
    53,682.63x = 1,500,031,638.90
  5. Step 5: Solve for x
    x = 1,500,031,638.90/53,682.63
  6. Step 6: Final answer
    x = 27,942.59

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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.