Home / 107,773.92-161,692.88-55,220.32

Finding the Fourth Proportional to 107,773.92, 161,692.88 and 55,220.32

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Solution

The fourth proportional to 107,773.92, 161,692.88 and 55,220.32 is: 82,846.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,773.92 : 161,692.88 = 55,220.32 : x
  2. Step 2: Convert to fraction form
    107,773.92/161,692.88 = 55,220.32/x
  3. Step 3: Cross multiply
    107,773.92x = 161,692.88 × 55,220.32
  4. Step 4: Simplify right side
    107,773.92x = 8,928,732,575.32
  5. Step 5: Solve for x
    x = 8,928,732,575.32/107,773.92
  6. Step 6: Final answer
    x = 82,846.88

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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.