Home / 69,946.12-104,828.46-28,370.44

Finding the Fourth Proportional to 69,946.12, 104,828.46 and 28,370.44

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Solution

The fourth proportional to 69,946.12, 104,828.46 and 28,370.44 is: 42,518.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,946.12 : 104,828.46 = 28,370.44 : x
  2. Step 2: Convert to fraction form
    69,946.12/104,828.46 = 28,370.44/x
  3. Step 3: Cross multiply
    69,946.12x = 104,828.46 × 28,370.44
  4. Step 4: Simplify right side
    69,946.12x = 2,974,029,534.72
  5. Step 5: Solve for x
    x = 2,974,029,534.72/69,946.12
  6. Step 6: Final answer
    x = 42,518.86

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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.