Home / 100,999.39-151,505.31-41,839.69

Finding the Fourth Proportional to 100,999.39, 151,505.31 and 41,839.69

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Solution

The fourth proportional to 100,999.39, 151,505.31 and 41,839.69 is: 62,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,999.39 : 151,505.31 = 41,839.69 : x
  2. Step 2: Convert to fraction form
    100,999.39/151,505.31 = 41,839.69/x
  3. Step 3: Cross multiply
    100,999.39x = 151,505.31 × 41,839.69
  4. Step 4: Simplify right side
    100,999.39x = 6,338,935,203.75
  5. Step 5: Solve for x
    x = 6,338,935,203.75/100,999.39
  6. Step 6: Final answer
    x = 62,762.11

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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.