Home / 117,942.36-162,706-69,511.24

Finding the Fourth Proportional to 117,942.36, 162,706 and 69,511.24

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Solution

The fourth proportional to 117,942.36, 162,706 and 69,511.24 is: 95,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,942.36 : 162,706 = 69,511.24 : x
  2. Step 2: Convert to fraction form
    117,942.36/162,706 = 69,511.24/x
  3. Step 3: Cross multiply
    117,942.36x = 162,706 × 69,511.24
  4. Step 4: Simplify right side
    117,942.36x = 11,309,895,815.44
  5. Step 5: Solve for x
    x = 11,309,895,815.44/117,942.36
  6. Step 6: Final answer
    x = 95,893.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.