Home / 53,969.20-80,856.60-33,168.40

Finding the Fourth Proportional to 53,969.20, 80,856.60 and 33,168.40

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Solution

The fourth proportional to 53,969.20, 80,856.60 and 33,168.40 is: 49,692.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,969.20 : 80,856.60 = 33,168.40 : x
  2. Step 2: Convert to fraction form
    53,969.20/80,856.60 = 33,168.40/x
  3. Step 3: Cross multiply
    53,969.20x = 80,856.60 × 33,168.40
  4. Step 4: Simplify right side
    53,969.20x = 2,681,884,051.44
  5. Step 5: Solve for x
    x = 2,681,884,051.44/53,969.20
  6. Step 6: Final answer
    x = 49,692.86

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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.