Home / 54,455.10-81,682.65-50,190.45

Finding the Fourth Proportional to 54,455.10, 81,682.65 and 50,190.45

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Solution

The fourth proportional to 54,455.10, 81,682.65 and 50,190.45 is: 75,285.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,455.10 : 81,682.65 = 50,190.45 : x
  2. Step 2: Convert to fraction form
    54,455.10/81,682.65 = 50,190.45/x
  3. Step 3: Cross multiply
    54,455.10x = 81,682.65 × 50,190.45
  4. Step 4: Simplify right side
    54,455.10x = 4,099,688,960.69
  5. Step 5: Solve for x
    x = 4,099,688,960.69/54,455.10
  6. Step 6: Final answer
    x = 75,285.68

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1.5x scale

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.