Home / 83,158.28-114,725.85-51,271.82

Finding the Fourth Proportional to 83,158.28, 114,725.85 and 51,271.82

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Solution

The fourth proportional to 83,158.28, 114,725.85 and 51,271.82 is: 70,735.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,158.28 : 114,725.85 = 51,271.82 : x
  2. Step 2: Convert to fraction form
    83,158.28/114,725.85 = 51,271.82/x
  3. Step 3: Cross multiply
    83,158.28x = 114,725.85 × 51,271.82
  4. Step 4: Simplify right side
    83,158.28x = 5,882,202,556.92
  5. Step 5: Solve for x
    x = 5,882,202,556.92/83,158.28
  6. Step 6: Final answer
    x = 70,735.02

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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.