Home / 100,835.82-151,218.47-29,739.60

Finding the Fourth Proportional to 100,835.82, 151,218.47 and 29,739.60

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Solution

The fourth proportional to 100,835.82, 151,218.47 and 29,739.60 is: 44,598.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,835.82 : 151,218.47 = 29,739.60 : x
  2. Step 2: Convert to fraction form
    100,835.82/151,218.47 = 29,739.60/x
  3. Step 3: Cross multiply
    100,835.82x = 151,218.47 × 29,739.60
  4. Step 4: Simplify right side
    100,835.82x = 4,497,175,905.62
  5. Step 5: Solve for x
    x = 4,497,175,905.62/100,835.82
  6. Step 6: Final answer
    x = 44,598.99

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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.