Home / 57,156.21-85,692.78-23,885.79

Finding the Fourth Proportional to 57,156.21, 85,692.78 and 23,885.79

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Solution

The fourth proportional to 57,156.21, 85,692.78 and 23,885.79 is: 35,811.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,156.21 : 85,692.78 = 23,885.79 : x
  2. Step 2: Convert to fraction form
    57,156.21/85,692.78 = 23,885.79/x
  3. Step 3: Cross multiply
    57,156.21x = 85,692.78 × 23,885.79
  4. Step 4: Simplify right side
    57,156.21x = 2,046,839,426.25
  5. Step 5: Solve for x
    x = 2,046,839,426.25/57,156.21
  6. Step 6: Final answer
    x = 35,811.32

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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.