Home / 84,273.96-126,362.04-39,900.34

Finding the Fourth Proportional to 84,273.96, 126,362.04 and 39,900.34

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Solution

The fourth proportional to 84,273.96, 126,362.04 and 39,900.34 is: 59,827.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,273.96 : 126,362.04 = 39,900.34 : x
  2. Step 2: Convert to fraction form
    84,273.96/126,362.04 = 39,900.34/x
  3. Step 3: Cross multiply
    84,273.96x = 126,362.04 × 39,900.34
  4. Step 4: Simplify right side
    84,273.96x = 5,041,888,359.09
  5. Step 5: Solve for x
    x = 5,041,888,359.09/84,273.96
  6. Step 6: Final answer
    x = 59,827.36

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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.