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Finding the Fourth Proportional to 104,038.56, 156,041.52 and 33,917.52

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Solution

The fourth proportional to 104,038.56, 156,041.52 and 33,917.52 is: 50,870.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,038.56 : 156,041.52 = 33,917.52 : x
  2. Step 2: Convert to fraction form
    104,038.56/156,041.52 = 33,917.52/x
  3. Step 3: Cross multiply
    104,038.56x = 156,041.52 × 33,917.52
  4. Step 4: Simplify right side
    104,038.56x = 5,292,541,375.43
  5. Step 5: Solve for x
    x = 5,292,541,375.43/104,038.56
  6. Step 6: Final answer
    x = 50,870.96

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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.