Home / 57,998.20-86,997.30-39,566.20

Finding the Fourth Proportional to 57,998.20, 86,997.30 and 39,566.20

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Solution

The fourth proportional to 57,998.20, 86,997.30 and 39,566.20 is: 59,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,998.20 : 86,997.30 = 39,566.20 : x
  2. Step 2: Convert to fraction form
    57,998.20/86,997.30 = 39,566.20/x
  3. Step 3: Cross multiply
    57,998.20x = 86,997.30 × 39,566.20
  4. Step 4: Simplify right side
    57,998.20x = 3,442,152,571.26
  5. Step 5: Solve for x
    x = 3,442,152,571.26/57,998.20
  6. Step 6: Final answer
    x = 59,349.30

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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.