Home / 74,572.85-102,912.68-40,583.52

Finding the Fourth Proportional to 74,572.85, 102,912.68 and 40,583.52

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Solution

The fourth proportional to 74,572.85, 102,912.68 and 40,583.52 is: 56,006.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,572.85 : 102,912.68 = 40,583.52 : x
  2. Step 2: Convert to fraction form
    74,572.85/102,912.68 = 40,583.52/x
  3. Step 3: Cross multiply
    74,572.85x = 102,912.68 × 40,583.52
  4. Step 4: Simplify right side
    74,572.85x = 4,176,558,604.12
  5. Step 5: Solve for x
    x = 4,176,558,604.12/74,572.85
  6. Step 6: Final answer
    x = 56,006.43

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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.