Home / 84,313.90-126,450.60-48,698.20

Finding the Fourth Proportional to 84,313.90, 126,450.60 and 48,698.20

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Solution

The fourth proportional to 84,313.90, 126,450.60 and 48,698.20 is: 73,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,313.90 : 126,450.60 = 48,698.20 : x
  2. Step 2: Convert to fraction form
    84,313.90/126,450.60 = 48,698.20/x
  3. Step 3: Cross multiply
    84,313.90x = 126,450.60 × 48,698.20
  4. Step 4: Simplify right side
    84,313.90x = 6,157,916,608.92
  5. Step 5: Solve for x
    x = 6,157,916,608.92/84,313.90
  6. Step 6: Final answer
    x = 73,035.60

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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.