Home / 120,776.23-166,668.00-67,059.87

Finding the Fourth Proportional to 120,776.23, 166,668.00 and 67,059.87

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Solution

The fourth proportional to 120,776.23, 166,668.00 and 67,059.87 is: 92,540.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,776.23 : 166,668.00 = 67,059.87 : x
  2. Step 2: Convert to fraction form
    120,776.23/166,668.00 = 67,059.87/x
  3. Step 3: Cross multiply
    120,776.23x = 166,668.00 × 67,059.87
  4. Step 4: Simplify right side
    120,776.23x = 11,176,733,536.68
  5. Step 5: Solve for x
    x = 11,176,733,536.68/120,776.23
  6. Step 6: Final answer
    x = 92,540.84

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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.