Home / 85,181.53-117,550.67-51,190.53

Finding the Fourth Proportional to 85,181.53, 117,550.67 and 51,190.53

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Solution

The fourth proportional to 85,181.53, 117,550.67 and 51,190.53 is: 70,643.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,181.53 : 117,550.67 = 51,190.53 : x
  2. Step 2: Convert to fraction form
    85,181.53/117,550.67 = 51,190.53/x
  3. Step 3: Cross multiply
    85,181.53x = 117,550.67 × 51,190.53
  4. Step 4: Simplify right side
    85,181.53x = 6,017,480,843.20
  5. Step 5: Solve for x
    x = 6,017,480,843.20/85,181.53
  6. Step 6: Final answer
    x = 70,643.03

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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.