Home / 100,727.88-151,023.66-56,385.24

Finding the Fourth Proportional to 100,727.88, 151,023.66 and 56,385.24

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Solution

The fourth proportional to 100,727.88, 151,023.66 and 56,385.24 is: 84,539.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,727.88 : 151,023.66 = 56,385.24 : x
  2. Step 2: Convert to fraction form
    100,727.88/151,023.66 = 56,385.24/x
  3. Step 3: Cross multiply
    100,727.88x = 151,023.66 × 56,385.24
  4. Step 4: Simplify right side
    100,727.88x = 8,515,505,314.78
  5. Step 5: Solve for x
    x = 8,515,505,314.78/100,727.88
  6. Step 6: Final answer
    x = 84,539.71

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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.