Home / 109,284.36-163,912.19-34,404.90

Finding the Fourth Proportional to 109,284.36, 163,912.19 and 34,404.90

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Solution

The fourth proportional to 109,284.36, 163,912.19 and 34,404.90 is: 51,602.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,284.36 : 163,912.19 = 34,404.90 : x
  2. Step 2: Convert to fraction form
    109,284.36/163,912.19 = 34,404.90/x
  3. Step 3: Cross multiply
    109,284.36x = 163,912.19 × 34,404.90
  4. Step 4: Simplify right side
    109,284.36x = 5,639,382,462.72
  5. Step 5: Solve for x
    x = 5,639,382,462.72/109,284.36
  6. Step 6: Final answer
    x = 51,602.83

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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.