Home / 92,975.26-128,305.42-50,533.80

Finding the Fourth Proportional to 92,975.26, 128,305.42 and 50,533.80

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Solution

The fourth proportional to 92,975.26, 128,305.42 and 50,533.80 is: 69,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,975.26 : 128,305.42 = 50,533.80 : x
  2. Step 2: Convert to fraction form
    92,975.26/128,305.42 = 50,533.80/x
  3. Step 3: Cross multiply
    92,975.26x = 128,305.42 × 50,533.80
  4. Step 4: Simplify right side
    92,975.26x = 6,483,760,433.20
  5. Step 5: Solve for x
    x = 6,483,760,433.20/92,975.26
  6. Step 6: Final answer
    x = 69,736.41

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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.