Home / 115,207.72-172,834.97-48,647.59

Finding the Fourth Proportional to 115,207.72, 172,834.97 and 48,647.59

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Solution

The fourth proportional to 115,207.72, 172,834.97 and 48,647.59 is: 72,981.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,207.72 : 172,834.97 = 48,647.59 : x
  2. Step 2: Convert to fraction form
    115,207.72/172,834.97 = 48,647.59/x
  3. Step 3: Cross multiply
    115,207.72x = 172,834.97 × 48,647.59
  4. Step 4: Simplify right side
    115,207.72x = 8,408,004,082.90
  5. Step 5: Solve for x
    x = 8,408,004,082.90/115,207.72
  6. Step 6: Final answer
    x = 72,981.26

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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.