Home / 119,077.62-178,571.44-47,976.16

Finding the Fourth Proportional to 119,077.62, 178,571.44 and 47,976.16

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Solution

The fourth proportional to 119,077.62, 178,571.44 and 47,976.16 is: 71,946.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,077.62 : 178,571.44 = 47,976.16 : x
  2. Step 2: Convert to fraction form
    119,077.62/178,571.44 = 47,976.16/x
  3. Step 3: Cross multiply
    119,077.62x = 178,571.44 × 47,976.16
  4. Step 4: Simplify right side
    119,077.62x = 8,567,171,976.87
  5. Step 5: Solve for x
    x = 8,567,171,976.87/119,077.62
  6. Step 6: Final answer
    x = 71,946.11

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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.