Home / 74,967.21-112,450.83-30,614.85

Finding the Fourth Proportional to 74,967.21, 112,450.83 and 30,614.85

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Solution

The fourth proportional to 74,967.21, 112,450.83 and 30,614.85 is: 45,922.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,967.21 : 112,450.83 = 30,614.85 : x
  2. Step 2: Convert to fraction form
    74,967.21/112,450.83 = 30,614.85/x
  3. Step 3: Cross multiply
    74,967.21x = 112,450.83 × 30,614.85
  4. Step 4: Simplify right side
    74,967.21x = 3,442,665,292.83
  5. Step 5: Solve for x
    x = 3,442,665,292.83/74,967.21
  6. Step 6: Final answer
    x = 45,922.28

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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.