Home / 84,383.27-116,394.05-54,120.66

Finding the Fourth Proportional to 84,383.27, 116,394.05 and 54,120.66

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Solution

The fourth proportional to 84,383.27, 116,394.05 and 54,120.66 is: 74,651.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,383.27 : 116,394.05 = 54,120.66 : x
  2. Step 2: Convert to fraction form
    84,383.27/116,394.05 = 54,120.66/x
  3. Step 3: Cross multiply
    84,383.27x = 116,394.05 × 54,120.66
  4. Step 4: Simplify right side
    84,383.27x = 6,299,322,200.47
  5. Step 5: Solve for x
    x = 6,299,322,200.47/84,383.27
  6. Step 6: Final answer
    x = 74,651.32

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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.