Home / 101,068.20-151,529.40-66,027.60

Finding the Fourth Proportional to 101,068.20, 151,529.40 and 66,027.60

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Solution

The fourth proportional to 101,068.20, 151,529.40 and 66,027.60 is: 98,993.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,068.20 : 151,529.40 = 66,027.60 : x
  2. Step 2: Convert to fraction form
    101,068.20/151,529.40 = 66,027.60/x
  3. Step 3: Cross multiply
    101,068.20x = 151,529.40 × 66,027.60
  4. Step 4: Simplify right side
    101,068.20x = 10,005,122,611.44
  5. Step 5: Solve for x
    x = 10,005,122,611.44/101,068.20
  6. Step 6: Final answer
    x = 98,993.77

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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.