Home / 108,061.03-162,078.78-29,181.40

Finding the Fourth Proportional to 108,061.03, 162,078.78 and 29,181.40

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Solution

The fourth proportional to 108,061.03, 162,078.78 and 29,181.40 is: 43,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,061.03 : 162,078.78 = 29,181.40 : x
  2. Step 2: Convert to fraction form
    108,061.03/162,078.78 = 29,181.40/x
  3. Step 3: Cross multiply
    108,061.03x = 162,078.78 × 29,181.40
  4. Step 4: Simplify right side
    108,061.03x = 4,729,685,710.69
  5. Step 5: Solve for x
    x = 4,729,685,710.69/108,061.03
  6. Step 6: Final answer
    x = 43,768.65

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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.