Home / 84,271.96-126,359.04-39,898.34

Finding the Fourth Proportional to 84,271.96, 126,359.04 and 39,898.34

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Solution

The fourth proportional to 84,271.96, 126,359.04 and 39,898.34 is: 59,824.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,271.96 : 126,359.04 = 39,898.34 : x
  2. Step 2: Convert to fraction form
    84,271.96/126,359.04 = 39,898.34/x
  3. Step 3: Cross multiply
    84,271.96x = 126,359.04 × 39,898.34
  4. Step 4: Simplify right side
    84,271.96x = 5,041,515,939.99
  5. Step 5: Solve for x
    x = 5,041,515,939.99/84,271.96
  6. Step 6: Final answer
    x = 59,824.36

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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.