Home / 49,045.60-73,568.40-12,109.60

Finding the Fourth Proportional to 49,045.60, 73,568.40 and 12,109.60

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Solution

The fourth proportional to 49,045.60, 73,568.40 and 12,109.60 is: 18,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,045.60 : 73,568.40 = 12,109.60 : x
  2. Step 2: Convert to fraction form
    49,045.60/73,568.40 = 12,109.60/x
  3. Step 3: Cross multiply
    49,045.60x = 73,568.40 × 12,109.60
  4. Step 4: Simplify right side
    49,045.60x = 890,883,896.64
  5. Step 5: Solve for x
    x = 890,883,896.64/49,045.60
  6. Step 6: Final answer
    x = 18,164.40

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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.