Home / 83,047.49-114,670.83-66,863.39

Finding the Fourth Proportional to 83,047.49, 114,670.83 and 66,863.39

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Solution

The fourth proportional to 83,047.49, 114,670.83 and 66,863.39 is: 92,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,047.49 : 114,670.83 = 66,863.39 : x
  2. Step 2: Convert to fraction form
    83,047.49/114,670.83 = 66,863.39/x
  3. Step 3: Cross multiply
    83,047.49x = 114,670.83 × 66,863.39
  4. Step 4: Simplify right side
    83,047.49x = 7,667,279,854.56
  5. Step 5: Solve for x
    x = 7,667,279,854.56/83,047.49
  6. Step 6: Final answer
    x = 92,324.05

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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.