Home / 120,747.90-166,623.74-67,028.70

Finding the Fourth Proportional to 120,747.90, 166,623.74 and 67,028.70

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Solution

The fourth proportional to 120,747.90, 166,623.74 and 67,028.70 is: 92,494.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,747.90 : 166,623.74 = 67,028.70 : x
  2. Step 2: Convert to fraction form
    120,747.90/166,623.74 = 67,028.70/x
  3. Step 3: Cross multiply
    120,747.90x = 166,623.74 × 67,028.70
  4. Step 4: Simplify right side
    120,747.90x = 11,168,572,346.19
  5. Step 5: Solve for x
    x = 11,168,572,346.19/120,747.90
  6. Step 6: Final answer
    x = 92,494.96

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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.