Home / 74,090.96-102,247.92-40,556.96

Finding the Fourth Proportional to 74,090.96, 102,247.92 and 40,556.96

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Solution

The fourth proportional to 74,090.96, 102,247.92 and 40,556.96 is: 55,969.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,090.96 : 102,247.92 = 40,556.96 : x
  2. Step 2: Convert to fraction form
    74,090.96/102,247.92 = 40,556.96/x
  3. Step 3: Cross multiply
    74,090.96x = 102,247.92 × 40,556.96
  4. Step 4: Simplify right side
    74,090.96x = 4,146,864,801.52
  5. Step 5: Solve for x
    x = 4,146,864,801.52/74,090.96
  6. Step 6: Final answer
    x = 55,969.92

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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.