Home / 53,591.82-73,958.67-40,139.34

Finding the Fourth Proportional to 53,591.82, 73,958.67 and 40,139.34

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Solution

The fourth proportional to 53,591.82, 73,958.67 and 40,139.34 is: 55,393.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,591.82 : 73,958.67 = 40,139.34 : x
  2. Step 2: Convert to fraction form
    53,591.82/73,958.67 = 40,139.34/x
  3. Step 3: Cross multiply
    53,591.82x = 73,958.67 × 40,139.34
  4. Step 4: Simplify right side
    53,591.82x = 2,968,652,201.08
  5. Step 5: Solve for x
    x = 2,968,652,201.08/53,591.82
  6. Step 6: Final answer
    x = 55,393.76

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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.