Home / 74,073.27-111,021.08-38,012.64

Finding the Fourth Proportional to 74,073.27, 111,021.08 and 38,012.64

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Solution

The fourth proportional to 74,073.27, 111,021.08 and 38,012.64 is: 56,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,073.27 : 111,021.08 = 38,012.64 : x
  2. Step 2: Convert to fraction form
    74,073.27/111,021.08 = 38,012.64/x
  3. Step 3: Cross multiply
    74,073.27x = 111,021.08 × 38,012.64
  4. Step 4: Simplify right side
    74,073.27x = 4,220,204,578.37
  5. Step 5: Solve for x
    x = 4,220,204,578.37/74,073.27
  6. Step 6: Final answer
    x = 56,973.38

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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.