Home / 80,436.62-111,005.51-48,599.37

Finding the Fourth Proportional to 80,436.62, 111,005.51 and 48,599.37

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Solution

The fourth proportional to 80,436.62, 111,005.51 and 48,599.37 is: 67,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,436.62 : 111,005.51 = 48,599.37 : x
  2. Step 2: Convert to fraction form
    80,436.62/111,005.51 = 48,599.37/x
  3. Step 3: Cross multiply
    80,436.62x = 111,005.51 × 48,599.37
  4. Step 4: Simplify right side
    80,436.62x = 5,394,797,609.53
  5. Step 5: Solve for x
    x = 5,394,797,609.53/80,436.62
  6. Step 6: Final answer
    x = 67,068.92

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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.