Home / 120,724.97-166,592.57-67,009.95

Finding the Fourth Proportional to 120,724.97, 166,592.57 and 67,009.95

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Solution

The fourth proportional to 120,724.97, 166,592.57 and 67,009.95 is: 92,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,724.97 : 166,592.57 = 67,009.95 : x
  2. Step 2: Convert to fraction form
    120,724.97/166,592.57 = 67,009.95/x
  3. Step 3: Cross multiply
    120,724.97x = 166,592.57 × 67,009.95
  4. Step 4: Simplify right side
    120,724.97x = 11,163,359,451.02
  5. Step 5: Solve for x
    x = 11,163,359,451.02/120,724.97
  6. Step 6: Final answer
    x = 92,469.35

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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.