Home / 100,844.60-151,266.90-26,972.60

Finding the Fourth Proportional to 100,844.60, 151,266.90 and 26,972.60

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Solution

The fourth proportional to 100,844.60, 151,266.90 and 26,972.60 is: 40,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,844.60 : 151,266.90 = 26,972.60 : x
  2. Step 2: Convert to fraction form
    100,844.60/151,266.90 = 26,972.60/x
  3. Step 3: Cross multiply
    100,844.60x = 151,266.90 × 26,972.60
  4. Step 4: Simplify right side
    100,844.60x = 4,080,061,586.94
  5. Step 5: Solve for x
    x = 4,080,061,586.94/100,844.60
  6. Step 6: Final answer
    x = 40,458.90

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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.