Home / 80,549.32-111,166.77-48,735.76

Finding the Fourth Proportional to 80,549.32, 111,166.77 and 48,735.76

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Solution

The fourth proportional to 80,549.32, 111,166.77 and 48,735.76 is: 67,260.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,549.32 : 111,166.77 = 48,735.76 : x
  2. Step 2: Convert to fraction form
    80,549.32/111,166.77 = 48,735.76/x
  3. Step 3: Cross multiply
    80,549.32x = 111,166.77 × 48,735.76
  4. Step 4: Simplify right side
    80,549.32x = 5,417,797,022.70
  5. Step 5: Solve for x
    x = 5,417,797,022.70/80,549.32
  6. Step 6: Final answer
    x = 67,260.62

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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.