Home / 67,188.14-100,782.22-47,701.98

Finding the Fourth Proportional to 67,188.14, 100,782.22 and 47,701.98

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Solution

The fourth proportional to 67,188.14, 100,782.22 and 47,701.98 is: 71,552.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,188.14 : 100,782.22 = 47,701.98 : x
  2. Step 2: Convert to fraction form
    67,188.14/100,782.22 = 47,701.98/x
  3. Step 3: Cross multiply
    67,188.14x = 100,782.22 × 47,701.98
  4. Step 4: Simplify right side
    67,188.14x = 4,807,511,442.80
  5. Step 5: Solve for x
    x = 4,807,511,442.80/67,188.14
  6. Step 6: Final answer
    x = 71,552.98

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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.