Home / 120,719.01-166,590.97-67,004.49

Finding the Fourth Proportional to 120,719.01, 166,590.97 and 67,004.49

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Solution

The fourth proportional to 120,719.01, 166,590.97 and 67,004.49 is: 92,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,719.01 : 166,590.97 = 67,004.49 : x
  2. Step 2: Convert to fraction form
    120,719.01/166,590.97 = 67,004.49/x
  3. Step 3: Cross multiply
    120,719.01x = 166,590.97 × 67,004.49
  4. Step 4: Simplify right side
    120,719.01x = 11,162,342,983.46
  5. Step 5: Solve for x
    x = 11,162,342,983.46/120,719.01
  6. Step 6: Final answer
    x = 92,465.49

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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.