Home / 74,539.87-102,866.90-40,550.27

Finding the Fourth Proportional to 74,539.87, 102,866.90 and 40,550.27

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Solution

The fourth proportional to 74,539.87, 102,866.90 and 40,550.27 is: 55,960.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,539.87 : 102,866.90 = 40,550.27 : x
  2. Step 2: Convert to fraction form
    74,539.87/102,866.90 = 40,550.27/x
  3. Step 3: Cross multiply
    74,539.87x = 102,866.90 × 40,550.27
  4. Step 4: Simplify right side
    74,539.87x = 4,171,279,851.98
  5. Step 5: Solve for x
    x = 4,171,279,851.98/74,539.87
  6. Step 6: Final answer
    x = 55,960.39

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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.