Home / 100,858.29-139,183.64-60,050.41

Finding the Fourth Proportional to 100,858.29, 139,183.64 and 60,050.41

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Solution

The fourth proportional to 100,858.29, 139,183.64 and 60,050.41 is: 82,869.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,858.29 : 139,183.64 = 60,050.41 : x
  2. Step 2: Convert to fraction form
    100,858.29/139,183.64 = 60,050.41/x
  3. Step 3: Cross multiply
    100,858.29x = 139,183.64 × 60,050.41
  4. Step 4: Simplify right side
    100,858.29x = 8,358,034,295.30
  5. Step 5: Solve for x
    x = 8,358,034,295.30/100,858.29
  6. Step 6: Final answer
    x = 82,869.09

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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.