Home / 104,542.56-144,270.09-56,796.75

Finding the Fourth Proportional to 104,542.56, 144,270.09 and 56,796.75

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Solution

The fourth proportional to 104,542.56, 144,270.09 and 56,796.75 is: 78,380.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,542.56 : 144,270.09 = 56,796.75 : x
  2. Step 2: Convert to fraction form
    104,542.56/144,270.09 = 56,796.75/x
  3. Step 3: Cross multiply
    104,542.56x = 144,270.09 × 56,796.75
  4. Step 4: Simplify right side
    104,542.56x = 8,194,072,234.21
  5. Step 5: Solve for x
    x = 8,194,072,234.21/104,542.56
  6. Step 6: Final answer
    x = 78,380.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.