Home / 111,926.44-154,464.20-63,531.80

Finding the Fourth Proportional to 111,926.44, 154,464.20 and 63,531.80

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Solution

The fourth proportional to 111,926.44, 154,464.20 and 63,531.80 is: 87,677.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,926.44 : 154,464.20 = 63,531.80 : x
  2. Step 2: Convert to fraction form
    111,926.44/154,464.20 = 63,531.80/x
  3. Step 3: Cross multiply
    111,926.44x = 154,464.20 × 63,531.80
  4. Step 4: Simplify right side
    111,926.44x = 9,813,388,661.56
  5. Step 5: Solve for x
    x = 9,813,388,661.56/111,926.44
  6. Step 6: Final answer
    x = 87,677.13

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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.