Home / 109,409.79-164,179.25-46,225.81

Finding the Fourth Proportional to 109,409.79, 164,179.25 and 46,225.81

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Solution

The fourth proportional to 109,409.79, 164,179.25 and 46,225.81 is: 69,365.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,409.79 : 164,179.25 = 46,225.81 : x
  2. Step 2: Convert to fraction form
    109,409.79/164,179.25 = 46,225.81/x
  3. Step 3: Cross multiply
    109,409.79x = 164,179.25 × 46,225.81
  4. Step 4: Simplify right side
    109,409.79x = 7,589,318,521.56
  5. Step 5: Solve for x
    x = 7,589,318,521.56/109,409.79
  6. Step 6: Final answer
    x = 69,365.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.