Home / 104,367.35-156,422.70-48,129.39

Finding the Fourth Proportional to 104,367.35, 156,422.70 and 48,129.39

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Solution

The fourth proportional to 104,367.35, 156,422.70 and 48,129.39 is: 72,134.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,367.35 : 156,422.70 = 48,129.39 : x
  2. Step 2: Convert to fraction form
    104,367.35/156,422.70 = 48,129.39/x
  3. Step 3: Cross multiply
    104,367.35x = 156,422.70 × 48,129.39
  4. Step 4: Simplify right side
    104,367.35x = 7,528,529,133.15
  5. Step 5: Solve for x
    x = 7,528,529,133.15/104,367.35
  6. Step 6: Final answer
    x = 72,134.91

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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.