Home / 43,939.53-65,909.30-10,659.06

Finding the Fourth Proportional to 43,939.53, 65,909.30 and 10,659.06

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Solution

The fourth proportional to 43,939.53, 65,909.30 and 10,659.06 is: 15,988.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,939.53 : 65,909.30 = 10,659.06 : x
  2. Step 2: Convert to fraction form
    43,939.53/65,909.30 = 10,659.06/x
  3. Step 3: Cross multiply
    43,939.53x = 65,909.30 × 10,659.06
  4. Step 4: Simplify right side
    43,939.53x = 702,531,129.96
  5. Step 5: Solve for x
    x = 702,531,129.96/43,939.53
  6. Step 6: Final answer
    x = 15,988.59

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Similar ratio
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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.