Home / 87,692.12-131,537.34-37,807.46

Finding the Fourth Proportional to 87,692.12, 131,537.34 and 37,807.46

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Solution

The fourth proportional to 87,692.12, 131,537.34 and 37,807.46 is: 56,710.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,692.12 : 131,537.34 = 37,807.46 : x
  2. Step 2: Convert to fraction form
    87,692.12/131,537.34 = 37,807.46/x
  3. Step 3: Cross multiply
    87,692.12x = 131,537.34 × 37,807.46
  4. Step 4: Simplify right side
    87,692.12x = 4,973,092,720.56
  5. Step 5: Solve for x
    x = 4,973,092,720.56/87,692.12
  6. Step 6: Final answer
    x = 56,710.83

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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.