Home / 122,769.56-169,436.46-69,056.60

Finding the Fourth Proportional to 122,769.56, 169,436.46 and 69,056.60

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Solution

The fourth proportional to 122,769.56, 169,436.46 and 69,056.60 is: 95,306.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,769.56 : 169,436.46 = 69,056.60 : x
  2. Step 2: Convert to fraction form
    122,769.56/169,436.46 = 69,056.60/x
  3. Step 3: Cross multiply
    122,769.56x = 169,436.46 × 69,056.60
  4. Step 4: Simplify right side
    122,769.56x = 11,700,705,843.64
  5. Step 5: Solve for x
    x = 11,700,705,843.64/122,769.56
  6. Step 6: Final answer
    x = 95,306.25

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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.