Home / 104,629.60-156,944.40-38,071.90

Finding the Fourth Proportional to 104,629.60, 156,944.40 and 38,071.90

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Solution

The fourth proportional to 104,629.60, 156,944.40 and 38,071.90 is: 57,107.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,629.60 : 156,944.40 = 38,071.90 : x
  2. Step 2: Convert to fraction form
    104,629.60/156,944.40 = 38,071.90/x
  3. Step 3: Cross multiply
    104,629.60x = 156,944.40 × 38,071.90
  4. Step 4: Simplify right side
    104,629.60x = 5,975,171,502.36
  5. Step 5: Solve for x
    x = 5,975,171,502.36/104,629.60
  6. Step 6: Final answer
    x = 57,107.85

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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.