Home / 50,675.20-75,859.20-45,145.60

Finding the Fourth Proportional to 50,675.20, 75,859.20 and 45,145.60

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Solution

The fourth proportional to 50,675.20, 75,859.20 and 45,145.60 is: 67,581.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,675.20 : 75,859.20 = 45,145.60 : x
  2. Step 2: Convert to fraction form
    50,675.20/75,859.20 = 45,145.60/x
  3. Step 3: Cross multiply
    50,675.20x = 75,859.20 × 45,145.60
  4. Step 4: Simplify right side
    50,675.20x = 3,424,709,099.52
  5. Step 5: Solve for x
    x = 3,424,709,099.52/50,675.20
  6. Step 6: Final answer
    x = 67,581.56

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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.