Home / 57,723.20-86,584.80-55,995.20

Finding the Fourth Proportional to 57,723.20, 86,584.80 and 55,995.20

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Solution

The fourth proportional to 57,723.20, 86,584.80 and 55,995.20 is: 83,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,723.20 : 86,584.80 = 55,995.20 : x
  2. Step 2: Convert to fraction form
    57,723.20/86,584.80 = 55,995.20/x
  3. Step 3: Cross multiply
    57,723.20x = 86,584.80 × 55,995.20
  4. Step 4: Simplify right side
    57,723.20x = 4,848,333,192.96
  5. Step 5: Solve for x
    x = 4,848,333,192.96/57,723.20
  6. Step 6: Final answer
    x = 83,992.80

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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.