Home / 82,782.28-114,239.46-45,056.44

Finding the Fourth Proportional to 82,782.28, 114,239.46 and 45,056.44

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Solution

The fourth proportional to 82,782.28, 114,239.46 and 45,056.44 is: 62,177.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,782.28 : 114,239.46 = 45,056.44 : x
  2. Step 2: Convert to fraction form
    82,782.28/114,239.46 = 45,056.44/x
  3. Step 3: Cross multiply
    82,782.28x = 114,239.46 × 45,056.44
  4. Step 4: Simplify right side
    82,782.28x = 5,147,223,375.12
  5. Step 5: Solve for x
    x = 5,147,223,375.12/82,782.28
  6. Step 6: Final answer
    x = 62,177.84

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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.