Home / 92,063.98-137,982.75-47,665.36

Finding the Fourth Proportional to 92,063.98, 137,982.75 and 47,665.36

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Solution

The fourth proportional to 92,063.98, 137,982.75 and 47,665.36 is: 71,439.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,063.98 : 137,982.75 = 47,665.36 : x
  2. Step 2: Convert to fraction form
    92,063.98/137,982.75 = 47,665.36/x
  3. Step 3: Cross multiply
    92,063.98x = 137,982.75 × 47,665.36
  4. Step 4: Simplify right side
    92,063.98x = 6,576,997,452.54
  5. Step 5: Solve for x
    x = 6,576,997,452.54/92,063.98
  6. Step 6: Final answer
    x = 71,439.42

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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.