Home / 79,573.33-119,360.03-20,409.00

Finding the Fourth Proportional to 79,573.33, 119,360.03 and 20,409.00

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Solution

The fourth proportional to 79,573.33, 119,360.03 and 20,409.00 is: 30,613.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,573.33 : 119,360.03 = 20,409.00 : x
  2. Step 2: Convert to fraction form
    79,573.33/119,360.03 = 20,409.00/x
  3. Step 3: Cross multiply
    79,573.33x = 119,360.03 × 20,409.00
  4. Step 4: Simplify right side
    79,573.33x = 2,436,019,220.37
  5. Step 5: Solve for x
    x = 2,436,019,220.37/79,573.33
  6. Step 6: Final answer
    x = 30,613.51

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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.