Home / 98,384.10-135,769.40-55,942.62

Finding the Fourth Proportional to 98,384.10, 135,769.40 and 55,942.62

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Solution

The fourth proportional to 98,384.10, 135,769.40 and 55,942.62 is: 77,200.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,384.10 : 135,769.40 = 55,942.62 : x
  2. Step 2: Convert to fraction form
    98,384.10/135,769.40 = 55,942.62/x
  3. Step 3: Cross multiply
    98,384.10x = 135,769.40 × 55,942.62
  4. Step 4: Simplify right side
    98,384.10x = 7,595,295,951.83
  5. Step 5: Solve for x
    x = 7,595,295,951.83/98,384.10
  6. Step 6: Final answer
    x = 77,200.44

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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.