Home / 111,770.30-154,205.24-63,367.04

Finding the Fourth Proportional to 111,770.30, 154,205.24 and 63,367.04

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Solution

The fourth proportional to 111,770.30, 154,205.24 and 63,367.04 is: 87,425.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,770.30 : 154,205.24 = 63,367.04 : x
  2. Step 2: Convert to fraction form
    111,770.30/154,205.24 = 63,367.04/x
  3. Step 3: Cross multiply
    111,770.30x = 154,205.24 × 63,367.04
  4. Step 4: Simplify right side
    111,770.30x = 9,771,529,611.29
  5. Step 5: Solve for x
    x = 9,771,529,611.29/111,770.30
  6. Step 6: Final answer
    x = 87,425.10

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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.