Home / 109,867.46-164,786.61-30,988.04

Finding the Fourth Proportional to 109,867.46, 164,786.61 and 30,988.04

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Solution

The fourth proportional to 109,867.46, 164,786.61 and 30,988.04 is: 46,477.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,867.46 : 164,786.61 = 30,988.04 : x
  2. Step 2: Convert to fraction form
    109,867.46/164,786.61 = 30,988.04/x
  3. Step 3: Cross multiply
    109,867.46x = 164,786.61 × 30,988.04
  4. Step 4: Simplify right side
    109,867.46x = 5,106,413,238.21
  5. Step 5: Solve for x
    x = 5,106,413,238.21/109,867.46
  6. Step 6: Final answer
    x = 46,477.94

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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.