Home / 75,865.95-113,700.51-50,868.54

Finding the Fourth Proportional to 75,865.95, 113,700.51 and 50,868.54

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Solution

The fourth proportional to 75,865.95, 113,700.51 and 50,868.54 is: 76,236.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,865.95 : 113,700.51 = 50,868.54 : x
  2. Step 2: Convert to fraction form
    75,865.95/113,700.51 = 50,868.54/x
  3. Step 3: Cross multiply
    75,865.95x = 113,700.51 × 50,868.54
  4. Step 4: Simplify right side
    75,865.95x = 5,783,778,940.96
  5. Step 5: Solve for x
    x = 5,783,778,940.96/75,865.95
  6. Step 6: Final answer
    x = 76,236.82

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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.