Home / 84,208.43-126,245.64-48,629.36

Finding the Fourth Proportional to 84,208.43, 126,245.64 and 48,629.36

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Solution

The fourth proportional to 84,208.43, 126,245.64 and 48,629.36 is: 72,905.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,208.43 : 126,245.64 = 48,629.36 : x
  2. Step 2: Convert to fraction form
    84,208.43/126,245.64 = 48,629.36/x
  3. Step 3: Cross multiply
    84,208.43x = 126,245.64 × 48,629.36
  4. Step 4: Simplify right side
    84,208.43x = 6,139,244,675.99
  5. Step 5: Solve for x
    x = 6,139,244,675.99/84,208.43
  6. Step 6: Final answer
    x = 72,905.35

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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.