Home / 74,090.24-102,247.44-40,556.24

Finding the Fourth Proportional to 74,090.24, 102,247.44 and 40,556.24

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Solution

The fourth proportional to 74,090.24, 102,247.44 and 40,556.24 is: 55,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,090.24 : 102,247.44 = 40,556.24 : x
  2. Step 2: Convert to fraction form
    74,090.24/102,247.44 = 40,556.24/x
  3. Step 3: Cross multiply
    74,090.24x = 102,247.44 × 40,556.24
  4. Step 4: Simplify right side
    74,090.24x = 4,146,771,716.03
  5. Step 5: Solve for x
    x = 4,146,771,716.03/74,090.24
  6. Step 6: Final answer
    x = 55,969.20

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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.