Home / 120,623.41-166,457.09-69,634.42

Finding the Fourth Proportional to 120,623.41, 166,457.09 and 69,634.42

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Solution

The fourth proportional to 120,623.41, 166,457.09 and 69,634.42 is: 96,093.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,623.41 : 166,457.09 = 69,634.42 : x
  2. Step 2: Convert to fraction form
    120,623.41/166,457.09 = 69,634.42/x
  3. Step 3: Cross multiply
    120,623.41x = 166,457.09 × 69,634.42
  4. Step 4: Simplify right side
    120,623.41x = 11,591,142,084.75
  5. Step 5: Solve for x
    x = 11,591,142,084.75/120,623.41
  6. Step 6: Final answer
    x = 96,093.64

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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.