Home / 84,289.55-116,321.86-50,317.75

Finding the Fourth Proportional to 84,289.55, 116,321.86 and 50,317.75

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Solution

The fourth proportional to 84,289.55, 116,321.86 and 50,317.75 is: 69,439.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,289.55 : 116,321.86 = 50,317.75 : x
  2. Step 2: Convert to fraction form
    84,289.55/116,321.86 = 50,317.75/x
  3. Step 3: Cross multiply
    84,289.55x = 116,321.86 × 50,317.75
  4. Step 4: Simplify right side
    84,289.55x = 5,853,054,271.02
  5. Step 5: Solve for x
    x = 5,853,054,271.02/84,289.55
  6. Step 6: Final answer
    x = 69,439.86

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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.