Home / 109,390.41-164,113.28-30,504.65

Finding the Fourth Proportional to 109,390.41, 164,113.28 and 30,504.65

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Solution

The fourth proportional to 109,390.41, 164,113.28 and 30,504.65 is: 45,764.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,390.41 : 164,113.28 = 30,504.65 : x
  2. Step 2: Convert to fraction form
    109,390.41/164,113.28 = 30,504.65/x
  3. Step 3: Cross multiply
    109,390.41x = 164,113.28 × 30,504.65
  4. Step 4: Simplify right side
    109,390.41x = 5,006,217,422.45
  5. Step 5: Solve for x
    x = 5,006,217,422.45/109,390.41
  6. Step 6: Final answer
    x = 45,764.68

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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.