Home / 111,039.20-166,573.40-58,451.57

Finding the Fourth Proportional to 111,039.20, 166,573.40 and 58,451.57

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Solution

The fourth proportional to 111,039.20, 166,573.40 and 58,451.57 is: 87,685.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,039.20 : 166,573.40 = 58,451.57 : x
  2. Step 2: Convert to fraction form
    111,039.20/166,573.40 = 58,451.57/x
  3. Step 3: Cross multiply
    111,039.20x = 166,573.40 × 58,451.57
  4. Step 4: Simplify right side
    111,039.20x = 9,736,476,249.76
  5. Step 5: Solve for x
    x = 9,736,476,249.76/111,039.20
  6. Step 6: Final answer
    x = 87,685.04

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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.