Home / 104,390.28-156,579.84-36,917.64

Finding the Fourth Proportional to 104,390.28, 156,579.84 and 36,917.64

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Solution

The fourth proportional to 104,390.28, 156,579.84 and 36,917.64 is: 55,374.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,390.28 : 156,579.84 = 36,917.64 : x
  2. Step 2: Convert to fraction form
    104,390.28/156,579.84 = 36,917.64/x
  3. Step 3: Cross multiply
    104,390.28x = 156,579.84 × 36,917.64
  4. Step 4: Simplify right side
    104,390.28x = 5,780,558,164.38
  5. Step 5: Solve for x
    x = 5,780,558,164.38/104,390.28
  6. Step 6: Final answer
    x = 55,374.49

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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.