Home / 121,629.44-182,322.12-50,455.28

Finding the Fourth Proportional to 121,629.44, 182,322.12 and 50,455.28

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Solution

The fourth proportional to 121,629.44, 182,322.12 and 50,455.28 is: 75,632.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,629.44 : 182,322.12 = 50,455.28 : x
  2. Step 2: Convert to fraction form
    121,629.44/182,322.12 = 50,455.28/x
  3. Step 3: Cross multiply
    121,629.44x = 182,322.12 × 50,455.28
  4. Step 4: Simplify right side
    121,629.44x = 9,199,113,614.79
  5. Step 5: Solve for x
    x = 9,199,113,614.79/121,629.44
  6. Step 6: Final answer
    x = 75,632.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.