Home / 119,077.38-178,571.07-47,975.91

Finding the Fourth Proportional to 119,077.38, 178,571.07 and 47,975.91

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Solution

The fourth proportional to 119,077.38, 178,571.07 and 47,975.91 is: 71,945.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,077.38 : 178,571.07 = 47,975.91 : x
  2. Step 2: Convert to fraction form
    119,077.38/178,571.07 = 47,975.91/x
  3. Step 3: Cross multiply
    119,077.38x = 178,571.07 × 47,975.91
  4. Step 4: Simplify right side
    119,077.38x = 8,567,109,582.92
  5. Step 5: Solve for x
    x = 8,567,109,582.92/119,077.38
  6. Step 6: Final answer
    x = 71,945.73

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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.