Home / 115,063.92-172,603.32-36,181.20

Finding the Fourth Proportional to 115,063.92, 172,603.32 and 36,181.20

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Solution

The fourth proportional to 115,063.92, 172,603.32 and 36,181.20 is: 54,274.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,063.92 : 172,603.32 = 36,181.20 : x
  2. Step 2: Convert to fraction form
    115,063.92/172,603.32 = 36,181.20/x
  3. Step 3: Cross multiply
    115,063.92x = 172,603.32 × 36,181.20
  4. Step 4: Simplify right side
    115,063.92x = 6,244,995,241.58
  5. Step 5: Solve for x
    x = 6,244,995,241.58/115,063.92
  6. Step 6: Final answer
    x = 54,274.14

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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.