Home / 66,156.18-99,234.60-32,868.42

Finding the Fourth Proportional to 66,156.18, 99,234.60 and 32,868.42

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Solution

The fourth proportional to 66,156.18, 99,234.60 and 32,868.42 is: 49,302.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,156.18 : 99,234.60 = 32,868.42 : x
  2. Step 2: Convert to fraction form
    66,156.18/99,234.60 = 32,868.42/x
  3. Step 3: Cross multiply
    66,156.18x = 99,234.60 × 32,868.42
  4. Step 4: Simplify right side
    66,156.18x = 3,261,684,511.33
  5. Step 5: Solve for x
    x = 3,261,684,511.33/66,156.18
  6. Step 6: Final answer
    x = 49,302.79

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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.