Home / 61,181.88-84,467.18-38,540.28

Finding the Fourth Proportional to 61,181.88, 84,467.18 and 38,540.28

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Solution

The fourth proportional to 61,181.88, 84,467.18 and 38,540.28 is: 53,208.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,181.88 : 84,467.18 = 38,540.28 : x
  2. Step 2: Convert to fraction form
    61,181.88/84,467.18 = 38,540.28/x
  3. Step 3: Cross multiply
    61,181.88x = 84,467.18 × 38,540.28
  4. Step 4: Simplify right side
    61,181.88x = 3,255,388,768.01
  5. Step 5: Solve for x
    x = 3,255,388,768.01/61,181.88
  6. Step 6: Final answer
    x = 53,208.38

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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.