Home / 98,100.01-135,375.46-57,271.96

Finding the Fourth Proportional to 98,100.01, 135,375.46 and 57,271.96

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Solution

The fourth proportional to 98,100.01, 135,375.46 and 57,271.96 is: 79,033.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,100.01 : 135,375.46 = 57,271.96 : x
  2. Step 2: Convert to fraction form
    98,100.01/135,375.46 = 57,271.96/x
  3. Step 3: Cross multiply
    98,100.01x = 135,375.46 × 57,271.96
  4. Step 4: Simplify right side
    98,100.01x = 7,753,217,930.10
  5. Step 5: Solve for x
    x = 7,753,217,930.10/98,100.01
  6. Step 6: Final answer
    x = 79,033.81

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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.