Home / 55,609.54-76,740.30-31,735.60

Finding the Fourth Proportional to 55,609.54, 76,740.30 and 31,735.60

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Solution

The fourth proportional to 55,609.54, 76,740.30 and 31,735.60 is: 43,794.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,609.54 : 76,740.30 = 31,735.60 : x
  2. Step 2: Convert to fraction form
    55,609.54/76,740.30 = 31,735.60/x
  3. Step 3: Cross multiply
    55,609.54x = 76,740.30 × 31,735.60
  4. Step 4: Simplify right side
    55,609.54x = 2,435,399,464.68
  5. Step 5: Solve for x
    x = 2,435,399,464.68/55,609.54
  6. Step 6: Final answer
    x = 43,794.63

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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.