Home / 80,551.35-111,160.62-48,711.06

Finding the Fourth Proportional to 80,551.35, 111,160.62 and 48,711.06

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Solution

The fourth proportional to 80,551.35, 111,160.62 and 48,711.06 is: 67,221.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,551.35 : 111,160.62 = 48,711.06 : x
  2. Step 2: Convert to fraction form
    80,551.35/111,160.62 = 48,711.06/x
  3. Step 3: Cross multiply
    80,551.35x = 111,160.62 × 48,711.06
  4. Step 4: Simplify right side
    80,551.35x = 5,414,751,630.46
  5. Step 5: Solve for x
    x = 5,414,751,630.46/80,551.35
  6. Step 6: Final answer
    x = 67,221.12

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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.