Home / 78,262.44-117,316.50-50,102.38

Finding the Fourth Proportional to 78,262.44, 117,316.50 and 50,102.38

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Solution

The fourth proportional to 78,262.44, 117,316.50 and 50,102.38 is: 75,104.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,262.44 : 117,316.50 = 50,102.38 : x
  2. Step 2: Convert to fraction form
    78,262.44/117,316.50 = 50,102.38/x
  3. Step 3: Cross multiply
    78,262.44x = 117,316.50 × 50,102.38
  4. Step 4: Simplify right side
    78,262.44x = 5,877,835,863.27
  5. Step 5: Solve for x
    x = 5,877,835,863.27/78,262.44
  6. Step 6: Final answer
    x = 75,104.17

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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.