Home / 49,380.80-74,078.40-16,095.20

Finding the Fourth Proportional to 49,380.80, 74,078.40 and 16,095.20

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Solution

The fourth proportional to 49,380.80, 74,078.40 and 16,095.20 is: 24,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,380.80 : 74,078.40 = 16,095.20 : x
  2. Step 2: Convert to fraction form
    49,380.80/74,078.40 = 16,095.20/x
  3. Step 3: Cross multiply
    49,380.80x = 74,078.40 × 16,095.20
  4. Step 4: Simplify right side
    49,380.80x = 1,192,306,663.68
  5. Step 5: Solve for x
    x = 1,192,306,663.68/49,380.80
  6. Step 6: Final answer
    x = 24,145.15

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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.