Home / 61,775.12-85,249.32-33,480.80

Finding the Fourth Proportional to 61,775.12, 85,249.32 and 33,480.80

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Solution

The fourth proportional to 61,775.12, 85,249.32 and 33,480.80 is: 46,203.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,775.12 : 85,249.32 = 33,480.80 : x
  2. Step 2: Convert to fraction form
    61,775.12/85,249.32 = 33,480.80/x
  3. Step 3: Cross multiply
    61,775.12x = 85,249.32 × 33,480.80
  4. Step 4: Simplify right side
    61,775.12x = 2,854,215,433.06
  5. Step 5: Solve for x
    x = 2,854,215,433.06/61,775.12
  6. Step 6: Final answer
    x = 46,203.32

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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.