Home / 54,230.37-81,337.86-20,966.10

Finding the Fourth Proportional to 54,230.37, 81,337.86 and 20,966.10

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Solution

The fourth proportional to 54,230.37, 81,337.86 and 20,966.10 is: 31,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,230.37 : 81,337.86 = 20,966.10 : x
  2. Step 2: Convert to fraction form
    54,230.37/81,337.86 = 20,966.10/x
  3. Step 3: Cross multiply
    54,230.37x = 81,337.86 × 20,966.10
  4. Step 4: Simplify right side
    54,230.37x = 1,705,337,706.55
  5. Step 5: Solve for x
    x = 1,705,337,706.55/54,230.37
  6. Step 6: Final answer
    x = 31,446.18

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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.