Home / 90,860.99-125,388.15-50,573.89

Finding the Fourth Proportional to 90,860.99, 125,388.15 and 50,573.89

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Solution

The fourth proportional to 90,860.99, 125,388.15 and 50,573.89 is: 69,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,860.99 : 125,388.15 = 50,573.89 : x
  2. Step 2: Convert to fraction form
    90,860.99/125,388.15 = 50,573.89/x
  3. Step 3: Cross multiply
    90,860.99x = 125,388.15 × 50,573.89
  4. Step 4: Simplify right side
    90,860.99x = 6,341,366,505.40
  5. Step 5: Solve for x
    x = 6,341,366,505.40/90,860.99
  6. Step 6: Final answer
    x = 69,791.96

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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.