Home / 84,311.43-116,339.82-50,313.63

Finding the Fourth Proportional to 84,311.43, 116,339.82 and 50,313.63

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Solution

The fourth proportional to 84,311.43, 116,339.82 and 50,313.63 is: 69,426.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,311.43 : 116,339.82 = 50,313.63 : x
  2. Step 2: Convert to fraction form
    84,311.43/116,339.82 = 50,313.63/x
  3. Step 3: Cross multiply
    84,311.43x = 116,339.82 × 50,313.63
  4. Step 4: Simplify right side
    84,311.43x = 5,853,478,657.75
  5. Step 5: Solve for x
    x = 5,853,478,657.75/84,311.43
  6. Step 6: Final answer
    x = 69,426.87

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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.