Home / 49,559.54-74,338.65-12,119.92

Finding the Fourth Proportional to 49,559.54, 74,338.65 and 12,119.92

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Solution

The fourth proportional to 49,559.54, 74,338.65 and 12,119.92 is: 18,179.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,559.54 : 74,338.65 = 12,119.92 : x
  2. Step 2: Convert to fraction form
    49,559.54/74,338.65 = 12,119.92/x
  3. Step 3: Cross multiply
    49,559.54x = 74,338.65 × 12,119.92
  4. Step 4: Simplify right side
    49,559.54x = 900,978,305.06
  5. Step 5: Solve for x
    x = 900,978,305.06/49,559.54
  6. Step 6: Final answer
    x = 18,179.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.