Home / 100,910.04-151,365.08-41,680.60

Finding the Fourth Proportional to 100,910.04, 151,365.08 and 41,680.60

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Solution

The fourth proportional to 100,910.04, 151,365.08 and 41,680.60 is: 62,520.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,910.04 : 151,365.08 = 41,680.60 : x
  2. Step 2: Convert to fraction form
    100,910.04/151,365.08 = 41,680.60/x
  3. Step 3: Cross multiply
    100,910.04x = 151,365.08 × 41,680.60
  4. Step 4: Simplify right side
    100,910.04x = 6,308,987,353.45
  5. Step 5: Solve for x
    x = 6,308,987,353.45/100,910.04
  6. Step 6: Final answer
    x = 62,520.91

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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.