Home / 115,401.10-172,972.05-48,829.90

Finding the Fourth Proportional to 115,401.10, 172,972.05 and 48,829.90

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Solution

The fourth proportional to 115,401.10, 172,972.05 and 48,829.90 is: 73,190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,401.10 : 172,972.05 = 48,829.90 : x
  2. Step 2: Convert to fraction form
    115,401.10/172,972.05 = 48,829.90/x
  3. Step 3: Cross multiply
    115,401.10x = 172,972.05 × 48,829.90
  4. Step 4: Simplify right side
    115,401.10x = 8,446,207,904.30
  5. Step 5: Solve for x
    x = 8,446,207,904.30/115,401.10
  6. Step 6: Final answer
    x = 73,190.01

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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.