Home / 84,936.91-117,245.61-56,632.27

Finding the Fourth Proportional to 84,936.91, 117,245.61 and 56,632.27

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Solution

The fourth proportional to 84,936.91, 117,245.61 and 56,632.27 is: 78,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,936.91 : 117,245.61 = 56,632.27 : x
  2. Step 2: Convert to fraction form
    84,936.91/117,245.61 = 56,632.27/x
  3. Step 3: Cross multiply
    84,936.91x = 117,245.61 × 56,632.27
  4. Step 4: Simplify right side
    84,936.91x = 6,639,885,041.83
  5. Step 5: Solve for x
    x = 6,639,885,041.83/84,936.91
  6. Step 6: Final answer
    x = 78,174.32

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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.