Home / 50,490.38-75,735.76-15,429.90

Finding the Fourth Proportional to 50,490.38, 75,735.76 and 15,429.90

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Solution

The fourth proportional to 50,490.38, 75,735.76 and 15,429.90 is: 23,144.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,490.38 : 75,735.76 = 15,429.90 : x
  2. Step 2: Convert to fraction form
    50,490.38/75,735.76 = 15,429.90/x
  3. Step 3: Cross multiply
    50,490.38x = 75,735.76 × 15,429.90
  4. Step 4: Simplify right side
    50,490.38x = 1,168,595,203.22
  5. Step 5: Solve for x
    x = 1,168,595,203.22/50,490.38
  6. Step 6: Final answer
    x = 23,144.91

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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.