Home / 65,080.46-89,812.19-36,786.15

Finding the Fourth Proportional to 65,080.46, 89,812.19 and 36,786.15

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Solution

The fourth proportional to 65,080.46, 89,812.19 and 36,786.15 is: 50,765.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,080.46 : 89,812.19 = 36,786.15 : x
  2. Step 2: Convert to fraction form
    65,080.46/89,812.19 = 36,786.15/x
  3. Step 3: Cross multiply
    65,080.46x = 89,812.19 × 36,786.15
  4. Step 4: Simplify right side
    65,080.46x = 3,303,844,785.13
  5. Step 5: Solve for x
    x = 3,303,844,785.13/65,080.46
  6. Step 6: Final answer
    x = 50,765.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.