Home / 100,868.16-139,198.46-60,582.60

Finding the Fourth Proportional to 100,868.16, 139,198.46 and 60,582.60

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Solution

The fourth proportional to 100,868.16, 139,198.46 and 60,582.60 is: 83,604.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,868.16 : 139,198.46 = 60,582.60 : x
  2. Step 2: Convert to fraction form
    100,868.16/139,198.46 = 60,582.60/x
  3. Step 3: Cross multiply
    100,868.16x = 139,198.46 × 60,582.60
  4. Step 4: Simplify right side
    100,868.16x = 8,433,004,319.88
  5. Step 5: Solve for x
    x = 8,433,004,319.88/100,868.16
  6. Step 6: Final answer
    x = 83,604.22

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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.