Home / 86,563.42-129,861.96-33,251.50

Finding the Fourth Proportional to 86,563.42, 129,861.96 and 33,251.50

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Solution

The fourth proportional to 86,563.42, 129,861.96 and 33,251.50 is: 49,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,563.42 : 129,861.96 = 33,251.50 : x
  2. Step 2: Convert to fraction form
    86,563.42/129,861.96 = 33,251.50/x
  3. Step 3: Cross multiply
    86,563.42x = 129,861.96 × 33,251.50
  4. Step 4: Simplify right side
    86,563.42x = 4,318,104,962.94
  5. Step 5: Solve for x
    x = 4,318,104,962.94/86,563.42
  6. Step 6: Final answer
    x = 49,883.71

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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.