Home / 66,556.05-91,851.06-36,344.18

Finding the Fourth Proportional to 66,556.05, 91,851.06 and 36,344.18

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Solution

The fourth proportional to 66,556.05, 91,851.06 and 36,344.18 is: 50,156.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,556.05 : 91,851.06 = 36,344.18 : x
  2. Step 2: Convert to fraction form
    66,556.05/91,851.06 = 36,344.18/x
  3. Step 3: Cross multiply
    66,556.05x = 91,851.06 × 36,344.18
  4. Step 4: Simplify right side
    66,556.05x = 3,338,250,998.58
  5. Step 5: Solve for x
    x = 3,338,250,998.58/66,556.05
  6. Step 6: Final answer
    x = 50,156.99

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1.5x scale

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.