Home / 115,172.64-172,765.14-36,293.04

Finding the Fourth Proportional to 115,172.64, 172,765.14 and 36,293.04

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Solution

The fourth proportional to 115,172.64, 172,765.14 and 36,293.04 is: 54,441.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,172.64 : 172,765.14 = 36,293.04 : x
  2. Step 2: Convert to fraction form
    115,172.64/172,765.14 = 36,293.04/x
  3. Step 3: Cross multiply
    115,172.64x = 172,765.14 × 36,293.04
  4. Step 4: Simplify right side
    115,172.64x = 6,270,172,136.63
  5. Step 5: Solve for x
    x = 6,270,172,136.63/115,172.64
  6. Step 6: Final answer
    x = 54,441.51

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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.