Home / 74,198.64-111,315.60-24,278.88

Finding the Fourth Proportional to 74,198.64, 111,315.60 and 24,278.88

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Solution

The fourth proportional to 74,198.64, 111,315.60 and 24,278.88 is: 36,424.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,198.64 : 111,315.60 = 24,278.88 : x
  2. Step 2: Convert to fraction form
    74,198.64/111,315.60 = 24,278.88/x
  3. Step 3: Cross multiply
    74,198.64x = 111,315.60 × 24,278.88
  4. Step 4: Simplify right side
    74,198.64x = 2,702,618,094.53
  5. Step 5: Solve for x
    x = 2,702,618,094.53/74,198.64
  6. Step 6: Final answer
    x = 36,424.09

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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.