Home / 74,441.37-102,729.51-40,450.14

Finding the Fourth Proportional to 74,441.37, 102,729.51 and 40,450.14

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Solution

The fourth proportional to 74,441.37, 102,729.51 and 40,450.14 is: 55,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,441.37 : 102,729.51 = 40,450.14 : x
  2. Step 2: Convert to fraction form
    74,441.37/102,729.51 = 40,450.14/x
  3. Step 3: Cross multiply
    74,441.37x = 102,729.51 × 40,450.14
  4. Step 4: Simplify right side
    74,441.37x = 4,155,423,061.63
  5. Step 5: Solve for x
    x = 4,155,423,061.63/74,441.37
  6. Step 6: Final answer
    x = 55,821.42

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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.