Home / 54,403.20-75,099.67-50,998.55

Finding the Fourth Proportional to 54,403.20, 75,099.67 and 50,998.55

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Solution

The fourth proportional to 54,403.20, 75,099.67 and 50,998.55 is: 70,399.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,403.20 : 75,099.67 = 50,998.55 : x
  2. Step 2: Convert to fraction form
    54,403.20/75,099.67 = 50,998.55/x
  3. Step 3: Cross multiply
    54,403.20x = 75,099.67 × 50,998.55
  4. Step 4: Simplify right side
    54,403.20x = 3,829,973,772.48
  5. Step 5: Solve for x
    x = 3,829,973,772.48/54,403.20
  6. Step 6: Final answer
    x = 70,399.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.