Home / 104,621.80-156,932.70-55,469.80

Finding the Fourth Proportional to 104,621.80, 156,932.70 and 55,469.80

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Solution

The fourth proportional to 104,621.80, 156,932.70 and 55,469.80 is: 83,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,621.80 : 156,932.70 = 55,469.80 : x
  2. Step 2: Convert to fraction form
    104,621.80/156,932.70 = 55,469.80/x
  3. Step 3: Cross multiply
    104,621.80x = 156,932.70 × 55,469.80
  4. Step 4: Simplify right side
    104,621.80x = 8,705,025,482.46
  5. Step 5: Solve for x
    x = 8,705,025,482.46/104,621.80
  6. Step 6: Final answer
    x = 83,204.70

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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.