Home / 76,057.08-104,995.44-50,605.80

Finding the Fourth Proportional to 76,057.08, 104,995.44 and 50,605.80

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Solution

The fourth proportional to 76,057.08, 104,995.44 and 50,605.80 is: 69,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,057.08 : 104,995.44 = 50,605.80 : x
  2. Step 2: Convert to fraction form
    76,057.08/104,995.44 = 50,605.80/x
  3. Step 3: Cross multiply
    76,057.08x = 104,995.44 × 50,605.80
  4. Step 4: Simplify right side
    76,057.08x = 5,313,378,237.55
  5. Step 5: Solve for x
    x = 5,313,378,237.55/76,057.08
  6. Step 6: Final answer
    x = 69,860.40

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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.