Home / 108,087.12-162,020.52-61,241.04

Finding the Fourth Proportional to 108,087.12, 162,020.52 and 61,241.04

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Solution

The fourth proportional to 108,087.12, 162,020.52 and 61,241.04 is: 91,799.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,087.12 : 162,020.52 = 61,241.04 : x
  2. Step 2: Convert to fraction form
    108,087.12/162,020.52 = 61,241.04/x
  3. Step 3: Cross multiply
    108,087.12x = 162,020.52 × 61,241.04
  4. Step 4: Simplify right side
    108,087.12x = 9,922,305,146.14
  5. Step 5: Solve for x
    x = 9,922,305,146.14/108,087.12
  6. Step 6: Final answer
    x = 91,799.14

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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.