Home / 84,040.82-115,976.34-45,800.37

Finding the Fourth Proportional to 84,040.82, 115,976.34 and 45,800.37

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Solution

The fourth proportional to 84,040.82, 115,976.34 and 45,800.37 is: 63,204.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,040.82 : 115,976.34 = 45,800.37 : x
  2. Step 2: Convert to fraction form
    84,040.82/115,976.34 = 45,800.37/x
  3. Step 3: Cross multiply
    84,040.82x = 115,976.34 × 45,800.37
  4. Step 4: Simplify right side
    84,040.82x = 5,311,759,687.69
  5. Step 5: Solve for x
    x = 5,311,759,687.69/84,040.82
  6. Step 6: Final answer
    x = 63,204.52

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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.