Home / 54,137.54-81,215.58-18,597.17

Finding the Fourth Proportional to 54,137.54, 81,215.58 and 18,597.17

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Solution

The fourth proportional to 54,137.54, 81,215.58 and 18,597.17 is: 27,898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,137.54 : 81,215.58 = 18,597.17 : x
  2. Step 2: Convert to fraction form
    54,137.54/81,215.58 = 18,597.17/x
  3. Step 3: Cross multiply
    54,137.54x = 81,215.58 × 18,597.17
  4. Step 4: Simplify right side
    54,137.54x = 1,510,379,541.83
  5. Step 5: Solve for x
    x = 1,510,379,541.83/54,137.54
  6. Step 6: Final answer
    x = 27,898.93

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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.