Home / 84,723.80-116,921.95-51,183.32

Finding the Fourth Proportional to 84,723.80, 116,921.95 and 51,183.32

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Solution

The fourth proportional to 84,723.80, 116,921.95 and 51,183.32 is: 70,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,723.80 : 116,921.95 = 51,183.32 : x
  2. Step 2: Convert to fraction form
    84,723.80/116,921.95 = 51,183.32/x
  3. Step 3: Cross multiply
    84,723.80x = 116,921.95 × 51,183.32
  4. Step 4: Simplify right side
    84,723.80x = 5,984,452,869.31
  5. Step 5: Solve for x
    x = 5,984,452,869.31/84,723.80
  6. Step 6: Final answer
    x = 70,634.85

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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.