Home / 98,546.62-147,998.10-91,042.10

Finding the Fourth Proportional to 98,546.62, 147,998.10 and 91,042.10

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Solution

The fourth proportional to 98,546.62, 147,998.10 and 91,042.10 is: 136,727.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,546.62 : 147,998.10 = 91,042.10 : x
  2. Step 2: Convert to fraction form
    98,546.62/147,998.10 = 91,042.10/x
  3. Step 3: Cross multiply
    98,546.62x = 147,998.10 × 91,042.10
  4. Step 4: Simplify right side
    98,546.62x = 13,474,057,820.01
  5. Step 5: Solve for x
    x = 13,474,057,820.01/98,546.62
  6. Step 6: Final answer
    x = 136,727.75

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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.