Home / 109,579.68-164,369.52-46,409.76

Finding the Fourth Proportional to 109,579.68, 164,369.52 and 46,409.76

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Solution

The fourth proportional to 109,579.68, 164,369.52 and 46,409.76 is: 69,614.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,579.68 : 164,369.52 = 46,409.76 : x
  2. Step 2: Convert to fraction form
    109,579.68/164,369.52 = 46,409.76/x
  3. Step 3: Cross multiply
    109,579.68x = 164,369.52 × 46,409.76
  4. Step 4: Simplify right side
    109,579.68x = 7,628,349,974.52
  5. Step 5: Solve for x
    x = 7,628,349,974.52/109,579.68
  6. Step 6: Final answer
    x = 69,614.64

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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.