Home / 98,628.23-147,770.12-82,094.51

Finding the Fourth Proportional to 98,628.23, 147,770.12 and 82,094.51

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Solution

The fourth proportional to 98,628.23, 147,770.12 and 82,094.51 is: 122,998.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,628.23 : 147,770.12 = 82,094.51 : x
  2. Step 2: Convert to fraction form
    98,628.23/147,770.12 = 82,094.51/x
  3. Step 3: Cross multiply
    98,628.23x = 147,770.12 × 82,094.51
  4. Step 4: Simplify right side
    98,628.23x = 12,131,116,168.70
  5. Step 5: Solve for x
    x = 12,131,116,168.70/98,628.23
  6. Step 6: Final answer
    x = 122,998.41

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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.