Home / 114,949.76-172,429.16-40,077.54

Finding the Fourth Proportional to 114,949.76, 172,429.16 and 40,077.54

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Solution

The fourth proportional to 114,949.76, 172,429.16 and 40,077.54 is: 60,117.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,949.76 : 172,429.16 = 40,077.54 : x
  2. Step 2: Convert to fraction form
    114,949.76/172,429.16 = 40,077.54/x
  3. Step 3: Cross multiply
    114,949.76x = 172,429.16 × 40,077.54
  4. Step 4: Simplify right side
    114,949.76x = 6,910,536,356.68
  5. Step 5: Solve for x
    x = 6,910,536,356.68/114,949.76
  6. Step 6: Final answer
    x = 60,117.89

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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.