Home / 55,475.10-76,556.10-31,601.40

Finding the Fourth Proportional to 55,475.10, 76,556.10 and 31,601.40

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Solution

The fourth proportional to 55,475.10, 76,556.10 and 31,601.40 is: 43,610.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,475.10 : 76,556.10 = 31,601.40 : x
  2. Step 2: Convert to fraction form
    55,475.10/76,556.10 = 31,601.40/x
  3. Step 3: Cross multiply
    55,475.10x = 76,556.10 × 31,601.40
  4. Step 4: Simplify right side
    55,475.10x = 2,419,279,938.54
  5. Step 5: Solve for x
    x = 2,419,279,938.54/55,475.10
  6. Step 6: Final answer
    x = 43,610.20

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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.