Home / 114,905.10-172,363.05-36,021.90

Finding the Fourth Proportional to 114,905.10, 172,363.05 and 36,021.90

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Solution

The fourth proportional to 114,905.10, 172,363.05 and 36,021.90 is: 54,034.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,905.10 : 172,363.05 = 36,021.90 : x
  2. Step 2: Convert to fraction form
    114,905.10/172,363.05 = 36,021.90/x
  3. Step 3: Cross multiply
    114,905.10x = 172,363.05 × 36,021.90
  4. Step 4: Simplify right side
    114,905.10x = 6,208,844,550.80
  5. Step 5: Solve for x
    x = 6,208,844,550.80/114,905.10
  6. Step 6: Final answer
    x = 54,034.54

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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.