Home / 53,474.30-80,211.45-48,808.70

Finding the Fourth Proportional to 53,474.30, 80,211.45 and 48,808.70

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Solution

The fourth proportional to 53,474.30, 80,211.45 and 48,808.70 is: 73,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,474.30 : 80,211.45 = 48,808.70 : x
  2. Step 2: Convert to fraction form
    53,474.30/80,211.45 = 48,808.70/x
  3. Step 3: Cross multiply
    53,474.30x = 80,211.45 × 48,808.70
  4. Step 4: Simplify right side
    53,474.30x = 3,915,016,599.62
  5. Step 5: Solve for x
    x = 3,915,016,599.62/53,474.30
  6. Step 6: Final answer
    x = 73,213.05

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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.