Home / 57,179.33-85,769-15,626.33

Finding the Fourth Proportional to 57,179.33, 85,769 and 15,626.33

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Solution

The fourth proportional to 57,179.33, 85,769 and 15,626.33 is: 23,439.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,179.33 : 85,769 = 15,626.33 : x
  2. Step 2: Convert to fraction form
    57,179.33/85,769 = 15,626.33/x
  3. Step 3: Cross multiply
    57,179.33x = 85,769 × 15,626.33
  4. Step 4: Simplify right side
    57,179.33x = 1,340,254,697.77
  5. Step 5: Solve for x
    x = 1,340,254,697.77/57,179.33
  6. Step 6: Final answer
    x = 23,439.50

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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.