Home / 120,789.48-166,700.01-67,084.98

Finding the Fourth Proportional to 120,789.48, 166,700.01 and 67,084.98

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Solution

The fourth proportional to 120,789.48, 166,700.01 and 67,084.98 is: 92,583.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,789.48 : 166,700.01 = 67,084.98 : x
  2. Step 2: Convert to fraction form
    120,789.48/166,700.01 = 67,084.98/x
  3. Step 3: Cross multiply
    120,789.48x = 166,700.01 × 67,084.98
  4. Step 4: Simplify right side
    120,789.48x = 11,183,066,836.85
  5. Step 5: Solve for x
    x = 11,183,066,836.85/120,789.48
  6. Step 6: Final answer
    x = 92,583.12

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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.