Home / 57,289.10-85,998.45-33,928.70

Finding the Fourth Proportional to 57,289.10, 85,998.45 and 33,928.70

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Solution

The fourth proportional to 57,289.10, 85,998.45 and 33,928.70 is: 50,931.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,289.10 : 85,998.45 = 33,928.70 : x
  2. Step 2: Convert to fraction form
    57,289.10/85,998.45 = 33,928.70/x
  3. Step 3: Cross multiply
    57,289.10x = 85,998.45 × 33,928.70
  4. Step 4: Simplify right side
    57,289.10x = 2,917,815,610.52
  5. Step 5: Solve for x
    x = 2,917,815,610.52/57,289.10
  6. Step 6: Final answer
    x = 50,931.43

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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.