Home / 80,452.37-111,027.24-48,615.12

Finding the Fourth Proportional to 80,452.37, 111,027.24 and 48,615.12

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Solution

The fourth proportional to 80,452.37, 111,027.24 and 48,615.12 is: 67,090.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,452.37 : 111,027.24 = 48,615.12 : x
  2. Step 2: Convert to fraction form
    80,452.37/111,027.24 = 48,615.12/x
  3. Step 3: Cross multiply
    80,452.37x = 111,027.24 × 48,615.12
  4. Step 4: Simplify right side
    80,452.37x = 5,397,602,595.87
  5. Step 5: Solve for x
    x = 5,397,602,595.87/80,452.37
  6. Step 6: Final answer
    x = 67,090.66

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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.