Home / 66,556.47-91,851.67-36,344.60

Finding the Fourth Proportional to 66,556.47, 91,851.67 and 36,344.60

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Solution

The fourth proportional to 66,556.47, 91,851.67 and 36,344.60 is: 50,157.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,556.47 : 91,851.67 = 36,344.60 : x
  2. Step 2: Convert to fraction form
    66,556.47/91,851.67 = 36,344.60/x
  3. Step 3: Cross multiply
    66,556.47x = 91,851.67 × 36,344.60
  4. Step 4: Simplify right side
    66,556.47x = 3,338,312,205.48
  5. Step 5: Solve for x
    x = 3,338,312,205.48/66,556.47
  6. Step 6: Final answer
    x = 50,157.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.