Home / 54,265.32-81,405.86-16,828.41

Finding the Fourth Proportional to 54,265.32, 81,405.86 and 16,828.41

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Solution

The fourth proportional to 54,265.32, 81,405.86 and 16,828.41 is: 25,245.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,265.32 : 81,405.86 = 16,828.41 : x
  2. Step 2: Convert to fraction form
    54,265.32/81,405.86 = 16,828.41/x
  3. Step 3: Cross multiply
    54,265.32x = 81,405.86 × 16,828.41
  4. Step 4: Simplify right side
    54,265.32x = 1,369,931,228.40
  5. Step 5: Solve for x
    x = 1,369,931,228.40/54,265.32
  6. Step 6: Final answer
    x = 25,245.06

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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.