Home / 55,169.52-76,141.44-53,668.56

Finding the Fourth Proportional to 55,169.52, 76,141.44 and 53,668.56

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Solution

The fourth proportional to 55,169.52, 76,141.44 and 53,668.56 is: 74,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,169.52 : 76,141.44 = 53,668.56 : x
  2. Step 2: Convert to fraction form
    55,169.52/76,141.44 = 53,668.56/x
  3. Step 3: Cross multiply
    55,169.52x = 76,141.44 × 53,668.56
  4. Step 4: Simplify right side
    55,169.52x = 4,086,401,441.13
  5. Step 5: Solve for x
    x = 4,086,401,441.13/55,169.52
  6. Step 6: Final answer
    x = 74,069.91

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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.