Home / 74,615.96-111,923.94-51,171.32

Finding the Fourth Proportional to 74,615.96, 111,923.94 and 51,171.32

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Solution

The fourth proportional to 74,615.96, 111,923.94 and 51,171.32 is: 76,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,615.96 : 111,923.94 = 51,171.32 : x
  2. Step 2: Convert to fraction form
    74,615.96/111,923.94 = 51,171.32/x
  3. Step 3: Cross multiply
    74,615.96x = 111,923.94 × 51,171.32
  4. Step 4: Simplify right side
    74,615.96x = 5,727,295,749.40
  5. Step 5: Solve for x
    x = 5,727,295,749.40/74,615.96
  6. Step 6: Final answer
    x = 76,756.98

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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.