Home / 61,851.09-85,354.51-33,556.78

Finding the Fourth Proportional to 61,851.09, 85,354.51 and 33,556.78

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Solution

The fourth proportional to 61,851.09, 85,354.51 and 33,556.78 is: 46,308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,851.09 : 85,354.51 = 33,556.78 : x
  2. Step 2: Convert to fraction form
    61,851.09/85,354.51 = 33,556.78/x
  3. Step 3: Cross multiply
    61,851.09x = 85,354.51 × 33,556.78
  4. Step 4: Simplify right side
    61,851.09x = 2,864,222,599.80
  5. Step 5: Solve for x
    x = 2,864,222,599.80/61,851.09
  6. Step 6: Final answer
    x = 46,308.36

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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.