Home / 115,060.62-172,579.59-36,172.74

Finding the Fourth Proportional to 115,060.62, 172,579.59 and 36,172.74

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Solution

The fourth proportional to 115,060.62, 172,579.59 and 36,172.74 is: 54,255.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,060.62 : 172,579.59 = 36,172.74 : x
  2. Step 2: Convert to fraction form
    115,060.62/172,579.59 = 36,172.74/x
  3. Step 3: Cross multiply
    115,060.62x = 172,579.59 × 36,172.74
  4. Step 4: Simplify right side
    115,060.62x = 6,242,676,638.38
  5. Step 5: Solve for x
    x = 6,242,676,638.38/115,060.62
  6. Step 6: Final answer
    x = 54,255.54

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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.