Home / 104,619.52-156,930.24-74,506.72

Finding the Fourth Proportional to 104,619.52, 156,930.24 and 74,506.72

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Solution

The fourth proportional to 104,619.52, 156,930.24 and 74,506.72 is: 111,760.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,619.52 : 156,930.24 = 74,506.72 : x
  2. Step 2: Convert to fraction form
    104,619.52/156,930.24 = 74,506.72/x
  3. Step 3: Cross multiply
    104,619.52x = 156,930.24 × 74,506.72
  4. Step 4: Simplify right side
    104,619.52x = 11,692,357,451.21
  5. Step 5: Solve for x
    x = 11,692,357,451.21/104,619.52
  6. Step 6: Final answer
    x = 111,760.76

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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.