Home / 68,866.10-103,313.55-22,123.70

Finding the Fourth Proportional to 68,866.10, 103,313.55 and 22,123.70

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Solution

The fourth proportional to 68,866.10, 103,313.55 and 22,123.70 is: 33,190.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,866.10 : 103,313.55 = 22,123.70 : x
  2. Step 2: Convert to fraction form
    68,866.10/103,313.55 = 22,123.70/x
  3. Step 3: Cross multiply
    68,866.10x = 103,313.55 × 22,123.70
  4. Step 4: Simplify right side
    68,866.10x = 2,285,677,986.14
  5. Step 5: Solve for x
    x = 2,285,677,986.14/68,866.10
  6. Step 6: Final answer
    x = 33,190.18

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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.