Home / 83,799.08-115,635.88-49,338.36

Finding the Fourth Proportional to 83,799.08, 115,635.88 and 49,338.36

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Solution

The fourth proportional to 83,799.08, 115,635.88 and 49,338.36 is: 68,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,799.08 : 115,635.88 = 49,338.36 : x
  2. Step 2: Convert to fraction form
    83,799.08/115,635.88 = 49,338.36/x
  3. Step 3: Cross multiply
    83,799.08x = 115,635.88 × 49,338.36
  4. Step 4: Simplify right side
    83,799.08x = 5,705,284,676.36
  5. Step 5: Solve for x
    x = 5,705,284,676.36/83,799.08
  6. Step 6: Final answer
    x = 68,082.90

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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.