Home / 66,644.22-99,896.67-31,542.06

Finding the Fourth Proportional to 66,644.22, 99,896.67 and 31,542.06

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Solution

The fourth proportional to 66,644.22, 99,896.67 and 31,542.06 is: 47,280.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,644.22 : 99,896.67 = 31,542.06 : x
  2. Step 2: Convert to fraction form
    66,644.22/99,896.67 = 31,542.06/x
  3. Step 3: Cross multiply
    66,644.22x = 99,896.67 × 31,542.06
  4. Step 4: Simplify right side
    66,644.22x = 3,150,946,758.94
  5. Step 5: Solve for x
    x = 3,150,946,758.94/66,644.22
  6. Step 6: Final answer
    x = 47,280.12

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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.