Home / 100,968.36-151,356-37,771.32

Finding the Fourth Proportional to 100,968.36, 151,356 and 37,771.32

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Solution

The fourth proportional to 100,968.36, 151,356 and 37,771.32 is: 56,620.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,968.36 : 151,356 = 37,771.32 : x
  2. Step 2: Convert to fraction form
    100,968.36/151,356 = 37,771.32/x
  3. Step 3: Cross multiply
    100,968.36x = 151,356 × 37,771.32
  4. Step 4: Simplify right side
    100,968.36x = 5,716,915,909.92
  5. Step 5: Solve for x
    x = 5,716,915,909.92/100,968.36
  6. Step 6: Final answer
    x = 56,620.87

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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.