Home / 112,033.14-167,919.71-45,390.39

Finding the Fourth Proportional to 112,033.14, 167,919.71 and 45,390.39

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Solution

The fourth proportional to 112,033.14, 167,919.71 and 45,390.39 is: 68,032.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,033.14 : 167,919.71 = 45,390.39 : x
  2. Step 2: Convert to fraction form
    112,033.14/167,919.71 = 45,390.39/x
  3. Step 3: Cross multiply
    112,033.14x = 167,919.71 × 45,390.39
  4. Step 4: Simplify right side
    112,033.14x = 7,621,940,898.63
  5. Step 5: Solve for x
    x = 7,621,940,898.63/112,033.14
  6. Step 6: Final answer
    x = 68,032.91

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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.