Home / 77,556.72-116,348.72-40,106.60

Finding the Fourth Proportional to 77,556.72, 116,348.72 and 40,106.60

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Solution

The fourth proportional to 77,556.72, 116,348.72 and 40,106.60 is: 60,166.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,556.72 : 116,348.72 = 40,106.60 : x
  2. Step 2: Convert to fraction form
    77,556.72/116,348.72 = 40,106.60/x
  3. Step 3: Cross multiply
    77,556.72x = 116,348.72 × 40,106.60
  4. Step 4: Simplify right side
    77,556.72x = 4,666,350,791.28
  5. Step 5: Solve for x
    x = 4,666,350,791.28/77,556.72
  6. Step 6: Final answer
    x = 60,166.94

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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.