Home / 66,516.60-99,792.18-33,235.32

Finding the Fourth Proportional to 66,516.60, 99,792.18 and 33,235.32

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Solution

The fourth proportional to 66,516.60, 99,792.18 and 33,235.32 is: 49,861.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,516.60 : 99,792.18 = 33,235.32 : x
  2. Step 2: Convert to fraction form
    66,516.60/99,792.18 = 33,235.32/x
  3. Step 3: Cross multiply
    66,516.60x = 99,792.18 × 33,235.32
  4. Step 4: Simplify right side
    66,516.60x = 3,316,625,035.80
  5. Step 5: Solve for x
    x = 3,316,625,035.80/66,516.60
  6. Step 6: Final answer
    x = 49,861.61

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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.