Home / 57,108.64-85,662.08-15,555.52

Finding the Fourth Proportional to 57,108.64, 85,662.08 and 15,555.52

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Solution

The fourth proportional to 57,108.64, 85,662.08 and 15,555.52 is: 23,333.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,108.64 : 85,662.08 = 15,555.52 : x
  2. Step 2: Convert to fraction form
    57,108.64/85,662.08 = 15,555.52/x
  3. Step 3: Cross multiply
    57,108.64x = 85,662.08 × 15,555.52
  4. Step 4: Simplify right side
    57,108.64x = 1,332,518,198.68
  5. Step 5: Solve for x
    x = 1,332,518,198.68/57,108.64
  6. Step 6: Final answer
    x = 23,333.04

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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.