Home / 104,623.80-156,935.70-55,471.80

Finding the Fourth Proportional to 104,623.80, 156,935.70 and 55,471.80

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Solution

The fourth proportional to 104,623.80, 156,935.70 and 55,471.80 is: 83,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,623.80 : 156,935.70 = 55,471.80 : x
  2. Step 2: Convert to fraction form
    104,623.80/156,935.70 = 55,471.80/x
  3. Step 3: Cross multiply
    104,623.80x = 156,935.70 × 55,471.80
  4. Step 4: Simplify right side
    104,623.80x = 8,705,505,763.26
  5. Step 5: Solve for x
    x = 8,705,505,763.26/104,623.80
  6. Step 6: Final answer
    x = 83,207.70

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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.