Home / 63,540.34-87,684.33-35,245.78

Finding the Fourth Proportional to 63,540.34, 87,684.33 and 35,245.78

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Solution

The fourth proportional to 63,540.34, 87,684.33 and 35,245.78 is: 48,638.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,540.34 : 87,684.33 = 35,245.78 : x
  2. Step 2: Convert to fraction form
    63,540.34/87,684.33 = 35,245.78/x
  3. Step 3: Cross multiply
    63,540.34x = 87,684.33 × 35,245.78
  4. Step 4: Simplify right side
    63,540.34x = 3,090,502,604.63
  5. Step 5: Solve for x
    x = 3,090,502,604.63/63,540.34
  6. Step 6: Final answer
    x = 48,638.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.