Home / 74,813.25-112,219.89-28,033.32

Finding the Fourth Proportional to 74,813.25, 112,219.89 and 28,033.32

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Solution

The fourth proportional to 74,813.25, 112,219.89 and 28,033.32 is: 42,049.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,813.25 : 112,219.89 = 28,033.32 : x
  2. Step 2: Convert to fraction form
    74,813.25/112,219.89 = 28,033.32/x
  3. Step 3: Cross multiply
    74,813.25x = 112,219.89 × 28,033.32
  4. Step 4: Simplify right side
    74,813.25x = 3,145,896,086.73
  5. Step 5: Solve for x
    x = 3,145,896,086.73/74,813.25
  6. Step 6: Final answer
    x = 42,049.99

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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.