Home / 65,604.09-98,409.18-21,234.33

Finding the Fourth Proportional to 65,604.09, 98,409.18 and 21,234.33

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Solution

The fourth proportional to 65,604.09, 98,409.18 and 21,234.33 is: 31,852.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,604.09 : 98,409.18 = 21,234.33 : x
  2. Step 2: Convert to fraction form
    65,604.09/98,409.18 = 21,234.33/x
  3. Step 3: Cross multiply
    65,604.09x = 98,409.18 × 21,234.33
  4. Step 4: Simplify right side
    65,604.09x = 2,089,653,003.15
  5. Step 5: Solve for x
    x = 2,089,653,003.15/65,604.09
  6. Step 6: Final answer
    x = 31,852.48

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1.5x scale

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.