Home / 48,400.80-72,601.20-35,181.60

Finding the Fourth Proportional to 48,400.80, 72,601.20 and 35,181.60

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Solution

The fourth proportional to 48,400.80, 72,601.20 and 35,181.60 is: 52,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,400.80 : 72,601.20 = 35,181.60 : x
  2. Step 2: Convert to fraction form
    48,400.80/72,601.20 = 35,181.60/x
  3. Step 3: Cross multiply
    48,400.80x = 72,601.20 × 35,181.60
  4. Step 4: Simplify right side
    48,400.80x = 2,554,226,377.92
  5. Step 5: Solve for x
    x = 2,554,226,377.92/48,400.80
  6. Step 6: Final answer
    x = 52,772.40

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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.