Home / 74,760.64-112,121.84-22,157.80

Finding the Fourth Proportional to 74,760.64, 112,121.84 and 22,157.80

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Solution

The fourth proportional to 74,760.64, 112,121.84 and 22,157.80 is: 33,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,760.64 : 112,121.84 = 22,157.80 : x
  2. Step 2: Convert to fraction form
    74,760.64/112,121.84 = 22,157.80/x
  3. Step 3: Cross multiply
    74,760.64x = 112,121.84 × 22,157.80
  4. Step 4: Simplify right side
    74,760.64x = 2,484,373,306.35
  5. Step 5: Solve for x
    x = 2,484,373,306.35/74,760.64
  6. Step 6: Final answer
    x = 33,231.03

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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.