Home / 49,059.60-73,589.40-12,123.60

Finding the Fourth Proportional to 49,059.60, 73,589.40 and 12,123.60

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Solution

The fourth proportional to 49,059.60, 73,589.40 and 12,123.60 is: 18,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,059.60 : 73,589.40 = 12,123.60 : x
  2. Step 2: Convert to fraction form
    49,059.60/73,589.40 = 12,123.60/x
  3. Step 3: Cross multiply
    49,059.60x = 73,589.40 × 12,123.60
  4. Step 4: Simplify right side
    49,059.60x = 892,168,449.84
  5. Step 5: Solve for x
    x = 892,168,449.84/49,059.60
  6. Step 6: Final answer
    x = 18,185.40

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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.