Home / 79,631.83-109,896.82-43,829.74

Finding the Fourth Proportional to 79,631.83, 109,896.82 and 43,829.74

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Solution

The fourth proportional to 79,631.83, 109,896.82 and 43,829.74 is: 60,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,631.83 : 109,896.82 = 43,829.74 : x
  2. Step 2: Convert to fraction form
    79,631.83/109,896.82 = 43,829.74/x
  3. Step 3: Cross multiply
    79,631.83x = 109,896.82 × 43,829.74
  4. Step 4: Simplify right side
    79,631.83x = 4,816,748,663.11
  5. Step 5: Solve for x
    x = 4,816,748,663.11/79,631.83
  6. Step 6: Final answer
    x = 60,487.73

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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.