Home / 74,193.24-111,300.78-21,595.80

Finding the Fourth Proportional to 74,193.24, 111,300.78 and 21,595.80

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Solution

The fourth proportional to 74,193.24, 111,300.78 and 21,595.80 is: 32,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,193.24 : 111,300.78 = 21,595.80 : x
  2. Step 2: Convert to fraction form
    74,193.24/111,300.78 = 21,595.80/x
  3. Step 3: Cross multiply
    74,193.24x = 111,300.78 × 21,595.80
  4. Step 4: Simplify right side
    74,193.24x = 2,403,629,384.72
  5. Step 5: Solve for x
    x = 2,403,629,384.72/74,193.24
  6. Step 6: Final answer
    x = 32,396.88

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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.