Home / 57,043.20-78,722.57-32,847.76

Finding the Fourth Proportional to 57,043.20, 78,722.57 and 32,847.76

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Solution

The fourth proportional to 57,043.20, 78,722.57 and 32,847.76 is: 45,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,043.20 : 78,722.57 = 32,847.76 : x
  2. Step 2: Convert to fraction form
    57,043.20/78,722.57 = 32,847.76/x
  3. Step 3: Cross multiply
    57,043.20x = 78,722.57 × 32,847.76
  4. Step 4: Simplify right side
    57,043.20x = 2,585,859,528.09
  5. Step 5: Solve for x
    x = 2,585,859,528.09/57,043.20
  6. Step 6: Final answer
    x = 45,331.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.