Home / 84,217.68-116,217.48-50,208.64

Finding the Fourth Proportional to 84,217.68, 116,217.48 and 50,208.64

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Solution

The fourth proportional to 84,217.68, 116,217.48 and 50,208.64 is: 69,286.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,217.68 : 116,217.48 = 50,208.64 : x
  2. Step 2: Convert to fraction form
    84,217.68/116,217.48 = 50,208.64/x
  3. Step 3: Cross multiply
    84,217.68x = 116,217.48 × 50,208.64
  4. Step 4: Simplify right side
    84,217.68x = 5,835,121,615.03
  5. Step 5: Solve for x
    x = 5,835,121,615.03/84,217.68
  6. Step 6: Final answer
    x = 69,286.18

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1.5x scale

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.