Home / 80,214.22-110,683.42-45,759.25

Finding the Fourth Proportional to 80,214.22, 110,683.42 and 45,759.25

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Solution

The fourth proportional to 80,214.22, 110,683.42 and 45,759.25 is: 63,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,214.22 : 110,683.42 = 45,759.25 : x
  2. Step 2: Convert to fraction form
    80,214.22/110,683.42 = 45,759.25/x
  3. Step 3: Cross multiply
    80,214.22x = 110,683.42 × 45,759.25
  4. Step 4: Simplify right side
    80,214.22x = 5,064,790,286.64
  5. Step 5: Solve for x
    x = 5,064,790,286.64/80,214.22
  6. Step 6: Final answer
    x = 63,140.80

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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.