Home / 73,021.11-109,542.93-30,901.42

Finding the Fourth Proportional to 73,021.11, 109,542.93 and 30,901.42

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Solution

The fourth proportional to 73,021.11, 109,542.93 and 30,901.42 is: 46,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,021.11 : 109,542.93 = 30,901.42 : x
  2. Step 2: Convert to fraction form
    73,021.11/109,542.93 = 30,901.42/x
  3. Step 3: Cross multiply
    73,021.11x = 109,542.93 × 30,901.42
  4. Step 4: Simplify right side
    73,021.11x = 3,385,032,087.96
  5. Step 5: Solve for x
    x = 3,385,032,087.96/73,021.11
  6. Step 6: Final answer
    x = 46,356.90

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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.