Home / 73,021.24-100,737.30-42,791.23

Finding the Fourth Proportional to 73,021.24, 100,737.30 and 42,791.23

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Solution

The fourth proportional to 73,021.24, 100,737.30 and 42,791.23 is: 59,033.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,021.24 : 100,737.30 = 42,791.23 : x
  2. Step 2: Convert to fraction form
    73,021.24/100,737.30 = 42,791.23/x
  3. Step 3: Cross multiply
    73,021.24x = 100,737.30 × 42,791.23
  4. Step 4: Simplify right side
    73,021.24x = 4,310,672,973.88
  5. Step 5: Solve for x
    x = 4,310,672,973.88/73,021.24
  6. Step 6: Final answer
    x = 59,033.14

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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.