Home / 103,137.60-154,686.96-50,513.52

Finding the Fourth Proportional to 103,137.60, 154,686.96 and 50,513.52

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Solution

The fourth proportional to 103,137.60, 154,686.96 and 50,513.52 is: 75,760.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,137.60 : 154,686.96 = 50,513.52 : x
  2. Step 2: Convert to fraction form
    103,137.60/154,686.96 = 50,513.52/x
  3. Step 3: Cross multiply
    103,137.60x = 154,686.96 × 50,513.52
  4. Step 4: Simplify right side
    103,137.60x = 7,813,782,847.70
  5. Step 5: Solve for x
    x = 7,813,782,847.70/103,137.60
  6. Step 6: Final answer
    x = 75,760.76

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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.