Home / 81,601.98-122,350.35-34,250.24

Finding the Fourth Proportional to 81,601.98, 122,350.35 and 34,250.24

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Solution

The fourth proportional to 81,601.98, 122,350.35 and 34,250.24 is: 51,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,601.98 : 122,350.35 = 34,250.24 : x
  2. Step 2: Convert to fraction form
    81,601.98/122,350.35 = 34,250.24/x
  3. Step 3: Cross multiply
    81,601.98x = 122,350.35 × 34,250.24
  4. Step 4: Simplify right side
    81,601.98x = 4,190,529,093.24
  5. Step 5: Solve for x
    x = 4,190,529,093.24/81,601.98
  6. Step 6: Final answer
    x = 51,353.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.