Home / 80,866.26-121,118.85-62,007.39

Finding the Fourth Proportional to 80,866.26, 121,118.85 and 62,007.39

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Solution

The fourth proportional to 80,866.26, 121,118.85 and 62,007.39 is: 92,872.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,866.26 : 121,118.85 = 62,007.39 : x
  2. Step 2: Convert to fraction form
    80,866.26/121,118.85 = 62,007.39/x
  3. Step 3: Cross multiply
    80,866.26x = 121,118.85 × 62,007.39
  4. Step 4: Simplify right side
    80,866.26x = 7,510,263,768.30
  5. Step 5: Solve for x
    x = 7,510,263,768.30/80,866.26
  6. Step 6: Final answer
    x = 92,872.65

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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.