Home / 80,058.24-120,096-33,285.12

Finding the Fourth Proportional to 80,058.24, 120,096 and 33,285.12

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Solution

The fourth proportional to 80,058.24, 120,096 and 33,285.12 is: 49,931.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,058.24 : 120,096 = 33,285.12 : x
  2. Step 2: Convert to fraction form
    80,058.24/120,096 = 33,285.12/x
  3. Step 3: Cross multiply
    80,058.24x = 120,096 × 33,285.12
  4. Step 4: Simplify right side
    80,058.24x = 3,997,409,771.52
  5. Step 5: Solve for x
    x = 3,997,409,771.52/80,058.24
  6. Step 6: Final answer
    x = 49,931.27

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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.