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Finding the Fourth Proportional to 60,676.55, 91,006.31 and 25,608

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Solution

The fourth proportional to 60,676.55, 91,006.31 and 25,608 is: 38,408.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,676.55 : 91,006.31 = 25,608 : x
  2. Step 2: Convert to fraction form
    60,676.55/91,006.31 = 25,608/x
  3. Step 3: Cross multiply
    60,676.55x = 91,006.31 × 25,608
  4. Step 4: Simplify right side
    60,676.55x = 2,330,489,650.50
  5. Step 5: Solve for x
    x = 2,330,489,650.50/60,676.55
  6. Step 6: Final answer
    x = 38,408.41

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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.