Home / 74,678.37-102,999.24-50,764.74

Finding the Fourth Proportional to 74,678.37, 102,999.24 and 50,764.74

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Solution

The fourth proportional to 74,678.37, 102,999.24 and 50,764.74 is: 70,016.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,678.37 : 102,999.24 = 50,764.74 : x
  2. Step 2: Convert to fraction form
    74,678.37/102,999.24 = 50,764.74/x
  3. Step 3: Cross multiply
    74,678.37x = 102,999.24 × 50,764.74
  4. Step 4: Simplify right side
    74,678.37x = 5,228,729,638.80
  5. Step 5: Solve for x
    x = 5,228,729,638.80/74,678.37
  6. Step 6: Final answer
    x = 70,016.65

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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.