Home / 122,450.56-168,984.24-68,739.52

Finding the Fourth Proportional to 122,450.56, 168,984.24 and 68,739.52

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Solution

The fourth proportional to 122,450.56, 168,984.24 and 68,739.52 is: 94,861.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,450.56 : 168,984.24 = 68,739.52 : x
  2. Step 2: Convert to fraction form
    122,450.56/168,984.24 = 68,739.52/x
  3. Step 3: Cross multiply
    122,450.56x = 168,984.24 × 68,739.52
  4. Step 4: Simplify right side
    122,450.56x = 11,615,895,545.16
  5. Step 5: Solve for x
    x = 11,615,895,545.16/122,450.56
  6. Step 6: Final answer
    x = 94,861.92

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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.