Home / 72,947.92-100,668.89-41,116.81

Finding the Fourth Proportional to 72,947.92, 100,668.89 and 41,116.81

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Solution

The fourth proportional to 72,947.92, 100,668.89 and 41,116.81 is: 56,741.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,947.92 : 100,668.89 = 41,116.81 : x
  2. Step 2: Convert to fraction form
    72,947.92/100,668.89 = 41,116.81/x
  3. Step 3: Cross multiply
    72,947.92x = 100,668.89 × 41,116.81
  4. Step 4: Simplify right side
    72,947.92x = 4,139,183,771.92
  5. Step 5: Solve for x
    x = 4,139,183,771.92/72,947.92
  6. Step 6: Final answer
    x = 56,741.63

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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.