Home / 69,489.12-95,844.36-43,999.64

Finding the Fourth Proportional to 69,489.12, 95,844.36 and 43,999.64

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Solution

The fourth proportional to 69,489.12, 95,844.36 and 43,999.64 is: 60,687.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,489.12 : 95,844.36 = 43,999.64 : x
  2. Step 2: Convert to fraction form
    69,489.12/95,844.36 = 43,999.64/x
  3. Step 3: Cross multiply
    69,489.12x = 95,844.36 × 43,999.64
  4. Step 4: Simplify right side
    69,489.12x = 4,217,117,336.03
  5. Step 5: Solve for x
    x = 4,217,117,336.03/69,489.12
  6. Step 6: Final answer
    x = 60,687.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.