Home / 66,176.52-99,243.18-21,792.84

Finding the Fourth Proportional to 66,176.52, 99,243.18 and 21,792.84

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Solution

The fourth proportional to 66,176.52, 99,243.18 and 21,792.84 is: 32,682.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,176.52 : 99,243.18 = 21,792.84 : x
  2. Step 2: Convert to fraction form
    66,176.52/99,243.18 = 21,792.84/x
  3. Step 3: Cross multiply
    66,176.52x = 99,243.18 × 21,792.84
  4. Step 4: Simplify right side
    66,176.52x = 2,162,790,742.83
  5. Step 5: Solve for x
    x = 2,162,790,742.83/66,176.52
  6. Step 6: Final answer
    x = 32,682.15

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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.