Home / 87,692.59-131,497.99-45,561.34

Finding the Fourth Proportional to 87,692.59, 131,497.99 and 45,561.34

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Solution

The fourth proportional to 87,692.59, 131,497.99 and 45,561.34 is: 68,320.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,692.59 : 131,497.99 = 45,561.34 : x
  2. Step 2: Convert to fraction form
    87,692.59/131,497.99 = 45,561.34/x
  3. Step 3: Cross multiply
    87,692.59x = 131,497.99 × 45,561.34
  4. Step 4: Simplify right side
    87,692.59x = 5,991,224,682.18
  5. Step 5: Solve for x
    x = 5,991,224,682.18/87,692.59
  6. Step 6: Final answer
    x = 68,320.76

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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.