Home / 83,187.24-114,800.66-50,921.20

Finding the Fourth Proportional to 83,187.24, 114,800.66 and 50,921.20

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Solution

The fourth proportional to 83,187.24, 114,800.66 and 50,921.20 is: 70,272.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,187.24 : 114,800.66 = 50,921.20 : x
  2. Step 2: Convert to fraction form
    83,187.24/114,800.66 = 50,921.20/x
  3. Step 3: Cross multiply
    83,187.24x = 114,800.66 × 50,921.20
  4. Step 4: Simplify right side
    83,187.24x = 5,845,787,367.99
  5. Step 5: Solve for x
    x = 5,845,787,367.99/83,187.24
  6. Step 6: Final answer
    x = 70,272.64

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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.