Home / 61,851.78-85,355.07-33,556.86

Finding the Fourth Proportional to 61,851.78, 85,355.07 and 33,556.86

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Solution

The fourth proportional to 61,851.78, 85,355.07 and 33,556.86 is: 46,308.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,851.78 : 85,355.07 = 33,556.86 : x
  2. Step 2: Convert to fraction form
    61,851.78/85,355.07 = 33,556.86/x
  3. Step 3: Cross multiply
    61,851.78x = 85,355.07 × 33,556.86
  4. Step 4: Simplify right side
    61,851.78x = 2,864,248,134.28
  5. Step 5: Solve for x
    x = 2,864,248,134.28/61,851.78
  6. Step 6: Final answer
    x = 46,308.26

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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.