Home / 74,563.78-102,896.49-40,572.94

Finding the Fourth Proportional to 74,563.78, 102,896.49 and 40,572.94

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Solution

The fourth proportional to 74,563.78, 102,896.49 and 40,572.94 is: 55,989.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,563.78 : 102,896.49 = 40,572.94 : x
  2. Step 2: Convert to fraction form
    74,563.78/102,896.49 = 40,572.94/x
  3. Step 3: Cross multiply
    74,563.78x = 102,896.49 × 40,572.94
  4. Step 4: Simplify right side
    74,563.78x = 4,174,813,114.98
  5. Step 5: Solve for x
    x = 4,174,813,114.98/74,563.78
  6. Step 6: Final answer
    x = 55,989.83

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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.