Home / 66,204.56-99,285.75-21,823.04

Finding the Fourth Proportional to 66,204.56, 99,285.75 and 21,823.04

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Solution

The fourth proportional to 66,204.56, 99,285.75 and 21,823.04 is: 32,727.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,204.56 : 99,285.75 = 21,823.04 : x
  2. Step 2: Convert to fraction form
    66,204.56/99,285.75 = 21,823.04/x
  3. Step 3: Cross multiply
    66,204.56x = 99,285.75 × 21,823.04
  4. Step 4: Simplify right side
    66,204.56x = 2,166,716,893.68
  5. Step 5: Solve for x
    x = 2,166,716,893.68/66,204.56
  6. Step 6: Final answer
    x = 32,727.61

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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.