Home / 103,520.88-155,317.77-50,967.27

Finding the Fourth Proportional to 103,520.88, 155,317.77 and 50,967.27

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Solution

The fourth proportional to 103,520.88, 155,317.77 and 50,967.27 is: 76,468.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,520.88 : 155,317.77 = 50,967.27 : x
  2. Step 2: Convert to fraction form
    103,520.88/155,317.77 = 50,967.27/x
  3. Step 3: Cross multiply
    103,520.88x = 155,317.77 × 50,967.27
  4. Step 4: Simplify right side
    103,520.88x = 7,916,122,719.39
  5. Step 5: Solve for x
    x = 7,916,122,719.39/103,520.88
  6. Step 6: Final answer
    x = 76,468.85

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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.