Home / 87,571.31-120,801.70-53,596.26

Finding the Fourth Proportional to 87,571.31, 120,801.70 and 53,596.26

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Solution

The fourth proportional to 87,571.31, 120,801.70 and 53,596.26 is: 73,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,571.31 : 120,801.70 = 53,596.26 : x
  2. Step 2: Convert to fraction form
    87,571.31/120,801.70 = 53,596.26/x
  3. Step 3: Cross multiply
    87,571.31x = 120,801.70 × 53,596.26
  4. Step 4: Simplify right side
    87,571.31x = 6,474,519,321.64
  5. Step 5: Solve for x
    x = 6,474,519,321.64/87,571.31
  6. Step 6: Final answer
    x = 73,934.25

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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.