Home / 50,930.40-76,453.20-39,295.20

Finding the Fourth Proportional to 50,930.40, 76,453.20 and 39,295.20

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Solution

The fourth proportional to 50,930.40, 76,453.20 and 39,295.20 is: 58,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,930.40 : 76,453.20 = 39,295.20 : x
  2. Step 2: Convert to fraction form
    50,930.40/76,453.20 = 39,295.20/x
  3. Step 3: Cross multiply
    50,930.40x = 76,453.20 × 39,295.20
  4. Step 4: Simplify right side
    50,930.40x = 3,004,243,784.64
  5. Step 5: Solve for x
    x = 3,004,243,784.64/50,930.40
  6. Step 6: Final answer
    x = 58,987.24

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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.