Home / 115,036.47-172,546.45-36,173.25

Finding the Fourth Proportional to 115,036.47, 172,546.45 and 36,173.25

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Solution

The fourth proportional to 115,036.47, 172,546.45 and 36,173.25 is: 54,257.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,036.47 : 172,546.45 = 36,173.25 : x
  2. Step 2: Convert to fraction form
    115,036.47/172,546.45 = 36,173.25/x
  3. Step 3: Cross multiply
    115,036.47x = 172,546.45 × 36,173.25
  4. Step 4: Simplify right side
    115,036.47x = 6,241,565,872.46
  5. Step 5: Solve for x
    x = 6,241,565,872.46/115,036.47
  6. Step 6: Final answer
    x = 54,257.28

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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.