Home / 61,728.83-85,181.37-36,236.24

Finding the Fourth Proportional to 61,728.83, 85,181.37 and 36,236.24

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Solution

The fourth proportional to 61,728.83, 85,181.37 and 36,236.24 is: 50,003.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,728.83 : 85,181.37 = 36,236.24 : x
  2. Step 2: Convert to fraction form
    61,728.83/85,181.37 = 36,236.24/x
  3. Step 3: Cross multiply
    61,728.83x = 85,181.37 × 36,236.24
  4. Step 4: Simplify right side
    61,728.83x = 3,086,652,288.74
  5. Step 5: Solve for x
    x = 3,086,652,288.74/61,728.83
  6. Step 6: Final answer
    x = 50,003.41

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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.