Home / 82,806.28-114,272.70-45,080.68

Finding the Fourth Proportional to 82,806.28, 114,272.70 and 45,080.68

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Solution

The fourth proportional to 82,806.28, 114,272.70 and 45,080.68 is: 62,211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,806.28 : 114,272.70 = 45,080.68 : x
  2. Step 2: Convert to fraction form
    82,806.28/114,272.70 = 45,080.68/x
  3. Step 3: Cross multiply
    82,806.28x = 114,272.70 × 45,080.68
  4. Step 4: Simplify right side
    82,806.28x = 5,151,491,021.44
  5. Step 5: Solve for x
    x = 5,151,491,021.44/82,806.28
  6. Step 6: Final answer
    x = 62,211.36

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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.