Home / 55,062.76-75,906.60-40,701.40

Finding the Fourth Proportional to 55,062.76, 75,906.60 and 40,701.40

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Solution

The fourth proportional to 55,062.76, 75,906.60 and 40,701.40 is: 56,108.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,062.76 : 75,906.60 = 40,701.40 : x
  2. Step 2: Convert to fraction form
    55,062.76/75,906.60 = 40,701.40/x
  3. Step 3: Cross multiply
    55,062.76x = 75,906.60 × 40,701.40
  4. Step 4: Simplify right side
    55,062.76x = 3,089,504,889.24
  5. Step 5: Solve for x
    x = 3,089,504,889.24/55,062.76
  6. Step 6: Final answer
    x = 56,108.79

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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.