Home / 84,105.48-126,015.40-50,755.46

Finding the Fourth Proportional to 84,105.48, 126,015.40 and 50,755.46

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Solution

The fourth proportional to 84,105.48, 126,015.40 and 50,755.46 is: 76,047.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,105.48 : 126,015.40 = 50,755.46 : x
  2. Step 2: Convert to fraction form
    84,105.48/126,015.40 = 50,755.46/x
  3. Step 3: Cross multiply
    84,105.48x = 126,015.40 × 50,755.46
  4. Step 4: Simplify right side
    84,105.48x = 6,395,969,594.08
  5. Step 5: Solve for x
    x = 6,395,969,594.08/84,105.48
  6. Step 6: Final answer
    x = 76,047.00

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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.