Home / 82,742.28-114,184.26-45,016.26

Finding the Fourth Proportional to 82,742.28, 114,184.26 and 45,016.26

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Solution

The fourth proportional to 82,742.28, 114,184.26 and 45,016.26 is: 62,122.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,742.28 : 114,184.26 = 45,016.26 : x
  2. Step 2: Convert to fraction form
    82,742.28/114,184.26 = 45,016.26/x
  3. Step 3: Cross multiply
    82,742.28x = 114,184.26 × 45,016.26
  4. Step 4: Simplify right side
    82,742.28x = 5,140,148,336.07
  5. Step 5: Solve for x
    x = 5,140,148,336.07/82,742.28
  6. Step 6: Final answer
    x = 62,122.39

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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.