Home / 84,736.36-126,983.58-43,212.52

Finding the Fourth Proportional to 84,736.36, 126,983.58 and 43,212.52

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Solution

The fourth proportional to 84,736.36, 126,983.58 and 43,212.52 is: 64,757.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,736.36 : 126,983.58 = 43,212.52 : x
  2. Step 2: Convert to fraction form
    84,736.36/126,983.58 = 43,212.52/x
  3. Step 3: Cross multiply
    84,736.36x = 126,983.58 × 43,212.52
  4. Step 4: Simplify right side
    84,736.36x = 5,487,280,490.42
  5. Step 5: Solve for x
    x = 5,487,280,490.42/84,736.36
  6. Step 6: Final answer
    x = 64,757.09

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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.