Home / 70,048.36-105,103.32-36,760.60

Finding the Fourth Proportional to 70,048.36, 105,103.32 and 36,760.60

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Solution

The fourth proportional to 70,048.36, 105,103.32 and 36,760.60 is: 55,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,048.36 : 105,103.32 = 36,760.60 : x
  2. Step 2: Convert to fraction form
    70,048.36/105,103.32 = 36,760.60/x
  3. Step 3: Cross multiply
    70,048.36x = 105,103.32 × 36,760.60
  4. Step 4: Simplify right side
    70,048.36x = 3,863,661,105.19
  5. Step 5: Solve for x
    x = 3,863,661,105.19/70,048.36
  6. Step 6: Final answer
    x = 55,157.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.