Home / 82,939.26-124,558.92-76,263.60

Finding the Fourth Proportional to 82,939.26, 124,558.92 and 76,263.60

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Solution

The fourth proportional to 82,939.26, 124,558.92 and 76,263.60 is: 114,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,939.26 : 124,558.92 = 76,263.60 : x
  2. Step 2: Convert to fraction form
    82,939.26/124,558.92 = 76,263.60/x
  3. Step 3: Cross multiply
    82,939.26x = 124,558.92 × 76,263.60
  4. Step 4: Simplify right side
    82,939.26x = 9,499,311,651.31
  5. Step 5: Solve for x
    x = 9,499,311,651.31/82,939.26
  6. Step 6: Final answer
    x = 114,533.35

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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.