Home / 57,783.40-86,610.30-29,692.60

Finding the Fourth Proportional to 57,783.40, 86,610.30 and 29,692.60

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Solution

The fourth proportional to 57,783.40, 86,610.30 and 29,692.60 is: 44,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,783.40 : 86,610.30 = 29,692.60 : x
  2. Step 2: Convert to fraction form
    57,783.40/86,610.30 = 29,692.60/x
  3. Step 3: Cross multiply
    57,783.40x = 86,610.30 × 29,692.60
  4. Step 4: Simplify right side
    57,783.40x = 2,571,684,993.78
  5. Step 5: Solve for x
    x = 2,571,684,993.78/57,783.40
  6. Step 6: Final answer
    x = 44,505.60

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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.