Home / 66,515.33-91,792.61-36,300.77

Finding the Fourth Proportional to 66,515.33, 91,792.61 and 36,300.77

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Solution

The fourth proportional to 66,515.33, 91,792.61 and 36,300.77 is: 50,095.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,515.33 : 91,792.61 = 36,300.77 : x
  2. Step 2: Convert to fraction form
    66,515.33/91,792.61 = 36,300.77/x
  3. Step 3: Cross multiply
    66,515.33x = 91,792.61 × 36,300.77
  4. Step 4: Simplify right side
    66,515.33x = 3,332,142,241.81
  5. Step 5: Solve for x
    x = 3,332,142,241.81/66,515.33
  6. Step 6: Final answer
    x = 50,095.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.