Home / 56,120.64-77,449.68-33,453.60

Finding the Fourth Proportional to 56,120.64, 77,449.68 and 33,453.60

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Solution

The fourth proportional to 56,120.64, 77,449.68 and 33,453.60 is: 46,167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,120.64 : 77,449.68 = 33,453.60 : x
  2. Step 2: Convert to fraction form
    56,120.64/77,449.68 = 33,453.60/x
  3. Step 3: Cross multiply
    56,120.64x = 77,449.68 × 33,453.60
  4. Step 4: Simplify right side
    56,120.64x = 2,590,970,614.85
  5. Step 5: Solve for x
    x = 2,590,970,614.85/56,120.64
  6. Step 6: Final answer
    x = 46,167.87

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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.