Home / 78,896.44-118,345.76-44,057.80

Finding the Fourth Proportional to 78,896.44, 118,345.76 and 44,057.80

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Solution

The fourth proportional to 78,896.44, 118,345.76 and 44,057.80 is: 66,087.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,896.44 : 118,345.76 = 44,057.80 : x
  2. Step 2: Convert to fraction form
    78,896.44/118,345.76 = 44,057.80/x
  3. Step 3: Cross multiply
    78,896.44x = 118,345.76 × 44,057.80
  4. Step 4: Simplify right side
    78,896.44x = 5,214,053,824.93
  5. Step 5: Solve for x
    x = 5,214,053,824.93/78,896.44
  6. Step 6: Final answer
    x = 66,087.31

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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.