Home / 78,556.23-117,680.85-62,794.44

Finding the Fourth Proportional to 78,556.23, 117,680.85 and 62,794.44

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Solution

The fourth proportional to 78,556.23, 117,680.85 and 62,794.44 is: 94,068.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,556.23 : 117,680.85 = 62,794.44 : x
  2. Step 2: Convert to fraction form
    78,556.23/117,680.85 = 62,794.44/x
  3. Step 3: Cross multiply
    78,556.23x = 117,680.85 × 62,794.44
  4. Step 4: Simplify right side
    78,556.23x = 7,389,703,074.47
  5. Step 5: Solve for x
    x = 7,389,703,074.47/78,556.23
  6. Step 6: Final answer
    x = 94,068.96

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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.