Home / 104,512.35-156,677.40-71,124.15

Finding the Fourth Proportional to 104,512.35, 156,677.40 and 71,124.15

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Solution

The fourth proportional to 104,512.35, 156,677.40 and 71,124.15 is: 106,624.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,512.35 : 156,677.40 = 71,124.15 : x
  2. Step 2: Convert to fraction form
    104,512.35/156,677.40 = 71,124.15/x
  3. Step 3: Cross multiply
    104,512.35x = 156,677.40 × 71,124.15
  4. Step 4: Simplify right side
    104,512.35x = 11,143,546,899.21
  5. Step 5: Solve for x
    x = 11,143,546,899.21/104,512.35
  6. Step 6: Final answer
    x = 106,624.21

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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.