Home / 78,096.36-117,021.84-60,370.44

Finding the Fourth Proportional to 78,096.36, 117,021.84 and 60,370.44

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Solution

The fourth proportional to 78,096.36, 117,021.84 and 60,370.44 is: 90,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,096.36 : 117,021.84 = 60,370.44 : x
  2. Step 2: Convert to fraction form
    78,096.36/117,021.84 = 60,370.44/x
  3. Step 3: Cross multiply
    78,096.36x = 117,021.84 × 60,370.44
  4. Step 4: Simplify right side
    78,096.36x = 7,064,659,970.41
  5. Step 5: Solve for x
    x = 7,064,659,970.41/78,096.36
  6. Step 6: Final answer
    x = 90,460.81

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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.