Home / 43,789.56-65,705.80-27,145.18

Finding the Fourth Proportional to 43,789.56, 65,705.80 and 27,145.18

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Solution

The fourth proportional to 43,789.56, 65,705.80 and 27,145.18 is: 40,731.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,789.56 : 65,705.80 = 27,145.18 : x
  2. Step 2: Convert to fraction form
    43,789.56/65,705.80 = 27,145.18/x
  3. Step 3: Cross multiply
    43,789.56x = 65,705.80 × 27,145.18
  4. Step 4: Simplify right side
    43,789.56x = 1,783,595,700.18
  5. Step 5: Solve for x
    x = 1,783,595,700.18/43,789.56
  6. Step 6: Final answer
    x = 40,731.08

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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.