Home / 104,579.20-156,925.50-45,414.64

Finding the Fourth Proportional to 104,579.20, 156,925.50 and 45,414.64

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Solution

The fourth proportional to 104,579.20, 156,925.50 and 45,414.64 is: 68,146.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,579.20 : 156,925.50 = 45,414.64 : x
  2. Step 2: Convert to fraction form
    104,579.20/156,925.50 = 45,414.64/x
  3. Step 3: Cross multiply
    104,579.20x = 156,925.50 × 45,414.64
  4. Step 4: Simplify right side
    104,579.20x = 7,126,715,089.32
  5. Step 5: Solve for x
    x = 7,126,715,089.32/104,579.20
  6. Step 6: Final answer
    x = 68,146.58

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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.