Home / 80,300.72-120,346.44-44,760.60

Finding the Fourth Proportional to 80,300.72, 120,346.44 and 44,760.60

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Solution

The fourth proportional to 80,300.72, 120,346.44 and 44,760.60 is: 67,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,300.72 : 120,346.44 = 44,760.60 : x
  2. Step 2: Convert to fraction form
    80,300.72/120,346.44 = 44,760.60/x
  3. Step 3: Cross multiply
    80,300.72x = 120,346.44 × 44,760.60
  4. Step 4: Simplify right side
    80,300.72x = 5,386,778,862.26
  5. Step 5: Solve for x
    x = 5,386,778,862.26/80,300.72
  6. Step 6: Final answer
    x = 67,082.57

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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.