Home / 54,960.80-82,433.10-15,521.90

Finding the Fourth Proportional to 54,960.80, 82,433.10 and 15,521.90

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Solution

The fourth proportional to 54,960.80, 82,433.10 and 15,521.90 is: 23,280.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,960.80 : 82,433.10 = 15,521.90 : x
  2. Step 2: Convert to fraction form
    54,960.80/82,433.10 = 15,521.90/x
  3. Step 3: Cross multiply
    54,960.80x = 82,433.10 × 15,521.90
  4. Step 4: Simplify right side
    54,960.80x = 1,279,518,334.89
  5. Step 5: Solve for x
    x = 1,279,518,334.89/54,960.80
  6. Step 6: Final answer
    x = 23,280.56

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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.