Home / 90,860.87-125,387.99-50,573.76

Finding the Fourth Proportional to 90,860.87, 125,387.99 and 50,573.76

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Solution

The fourth proportional to 90,860.87, 125,387.99 and 50,573.76 is: 69,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,860.87 : 125,387.99 = 50,573.76 : x
  2. Step 2: Convert to fraction form
    90,860.87/125,387.99 = 50,573.76/x
  3. Step 3: Cross multiply
    90,860.87x = 125,387.99 × 50,573.76
  4. Step 4: Simplify right side
    90,860.87x = 6,341,341,860.27
  5. Step 5: Solve for x
    x = 6,341,341,860.27/90,860.87
  6. Step 6: Final answer
    x = 69,791.78

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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.