Home / 79,710.24-109,997.88-43,410.86

Finding the Fourth Proportional to 79,710.24, 109,997.88 and 43,410.86

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Solution

The fourth proportional to 79,710.24, 109,997.88 and 43,410.86 is: 59,905.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,710.24 : 109,997.88 = 43,410.86 : x
  2. Step 2: Convert to fraction form
    79,710.24/109,997.88 = 43,410.86/x
  3. Step 3: Cross multiply
    79,710.24x = 109,997.88 × 43,410.86
  4. Step 4: Simplify right side
    79,710.24x = 4,775,102,822.24
  5. Step 5: Solve for x
    x = 4,775,102,822.24/79,710.24
  6. Step 6: Final answer
    x = 59,905.77

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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.