Home / 84,220.96-116,215.04-50,231.28

Finding the Fourth Proportional to 84,220.96, 116,215.04 and 50,231.28

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Solution

The fourth proportional to 84,220.96, 116,215.04 and 50,231.28 is: 69,313.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,220.96 : 116,215.04 = 50,231.28 : x
  2. Step 2: Convert to fraction form
    84,220.96/116,215.04 = 50,231.28/x
  3. Step 3: Cross multiply
    84,220.96x = 116,215.04 × 50,231.28
  4. Step 4: Simplify right side
    84,220.96x = 5,837,630,214.45
  5. Step 5: Solve for x
    x = 5,837,630,214.45/84,220.96
  6. Step 6: Final answer
    x = 69,313.27

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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.