Home / 85,172.16-117,393.44-58,268.24

Finding the Fourth Proportional to 85,172.16, 117,393.44 and 58,268.24

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Solution

The fourth proportional to 85,172.16, 117,393.44 and 58,268.24 is: 80,311.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,172.16 : 117,393.44 = 58,268.24 : x
  2. Step 2: Convert to fraction form
    85,172.16/117,393.44 = 58,268.24/x
  3. Step 3: Cross multiply
    85,172.16x = 117,393.44 × 58,268.24
  4. Step 4: Simplify right side
    85,172.16x = 6,840,309,136.35
  5. Step 5: Solve for x
    x = 6,840,309,136.35/85,172.16
  6. Step 6: Final answer
    x = 80,311.56

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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.