Home / 120,964.77-166,921.93-67,246.52

Finding the Fourth Proportional to 120,964.77, 166,921.93 and 67,246.52

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Solution

The fourth proportional to 120,964.77, 166,921.93 and 67,246.52 is: 92,794.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,964.77 : 166,921.93 = 67,246.52 : x
  2. Step 2: Convert to fraction form
    120,964.77/166,921.93 = 67,246.52/x
  3. Step 3: Cross multiply
    120,964.77x = 166,921.93 × 67,246.52
  4. Step 4: Simplify right side
    120,964.77x = 11,224,917,733.34
  5. Step 5: Solve for x
    x = 11,224,917,733.34/120,964.77
  6. Step 6: Final answer
    x = 92,794.93

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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.