Home / 65,683.41-90,647.71-36,613.62

Finding the Fourth Proportional to 65,683.41, 90,647.71 and 36,613.62

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Solution

The fourth proportional to 65,683.41, 90,647.71 and 36,613.62 is: 50,529.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,683.41 : 90,647.71 = 36,613.62 : x
  2. Step 2: Convert to fraction form
    65,683.41/90,647.71 = 36,613.62/x
  3. Step 3: Cross multiply
    65,683.41x = 90,647.71 × 36,613.62
  4. Step 4: Simplify right side
    65,683.41x = 3,318,940,716.28
  5. Step 5: Solve for x
    x = 3,318,940,716.28/65,683.41
  6. Step 6: Final answer
    x = 50,529.36

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1.5x scale

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.