Home / 83,142.92-114,655.26-51,305.06

Finding the Fourth Proportional to 83,142.92, 114,655.26 and 51,305.06

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Solution

The fourth proportional to 83,142.92, 114,655.26 and 51,305.06 is: 70,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,142.92 : 114,655.26 = 51,305.06 : x
  2. Step 2: Convert to fraction form
    83,142.92/114,655.26 = 51,305.06/x
  3. Step 3: Cross multiply
    83,142.92x = 114,655.26 × 51,305.06
  4. Step 4: Simplify right side
    83,142.92x = 5,882,394,993.62
  5. Step 5: Solve for x
    x = 5,882,394,993.62/83,142.92
  6. Step 6: Final answer
    x = 70,750.40

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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.