Home / 100,715.81-151,104.96-41,556.24

Finding the Fourth Proportional to 100,715.81, 151,104.96 and 41,556.24

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Solution

The fourth proportional to 100,715.81, 151,104.96 and 41,556.24 is: 62,347.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,715.81 : 151,104.96 = 41,556.24 : x
  2. Step 2: Convert to fraction form
    100,715.81/151,104.96 = 41,556.24/x
  3. Step 3: Cross multiply
    100,715.81x = 151,104.96 × 41,556.24
  4. Step 4: Simplify right side
    100,715.81x = 6,279,353,982.95
  5. Step 5: Solve for x
    x = 6,279,353,982.95/100,715.81
  6. Step 6: Final answer
    x = 62,347.26

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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.