Home / 84,245.81-126,366.27-34,313.56

Finding the Fourth Proportional to 84,245.81, 126,366.27 and 34,313.56

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Solution

The fourth proportional to 84,245.81, 126,366.27 and 34,313.56 is: 51,469.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,245.81 : 126,366.27 = 34,313.56 : x
  2. Step 2: Convert to fraction form
    84,245.81/126,366.27 = 34,313.56/x
  3. Step 3: Cross multiply
    84,245.81x = 126,366.27 × 34,313.56
  4. Step 4: Simplify right side
    84,245.81x = 4,336,076,587.62
  5. Step 5: Solve for x
    x = 4,336,076,587.62/84,245.81
  6. Step 6: Final answer
    x = 51,469.34

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1.5x scale

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.