Home / 122,760.56-169,424.04-69,047.60

Finding the Fourth Proportional to 122,760.56, 169,424.04 and 69,047.60

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Solution

The fourth proportional to 122,760.56, 169,424.04 and 69,047.60 is: 95,293.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,760.56 : 169,424.04 = 69,047.60 : x
  2. Step 2: Convert to fraction form
    122,760.56/169,424.04 = 69,047.60/x
  3. Step 3: Cross multiply
    122,760.56x = 169,424.04 × 69,047.60
  4. Step 4: Simplify right side
    122,760.56x = 11,698,323,344.30
  5. Step 5: Solve for x
    x = 11,698,323,344.30/122,760.56
  6. Step 6: Final answer
    x = 95,293.83

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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.