Home / 98,042.90-135,299.20-55,601.43

Finding the Fourth Proportional to 98,042.90, 135,299.20 and 55,601.43

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Solution

The fourth proportional to 98,042.90, 135,299.20 and 55,601.43 is: 76,729.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,042.90 : 135,299.20 = 55,601.43 : x
  2. Step 2: Convert to fraction form
    98,042.90/135,299.20 = 55,601.43/x
  3. Step 3: Cross multiply
    98,042.90x = 135,299.20 × 55,601.43
  4. Step 4: Simplify right side
    98,042.90x = 7,522,828,299.35
  5. Step 5: Solve for x
    x = 7,522,828,299.35/98,042.90
  6. Step 6: Final answer
    x = 76,729.97

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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.