Home / 54,328.73-81,504.63-16,887.89

Finding the Fourth Proportional to 54,328.73, 81,504.63 and 16,887.89

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Solution

The fourth proportional to 54,328.73, 81,504.63 and 16,887.89 is: 25,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328.73 : 81,504.63 = 16,887.89 : x
  2. Step 2: Convert to fraction form
    54,328.73/81,504.63 = 16,887.89/x
  3. Step 3: Cross multiply
    54,328.73x = 81,504.63 × 16,887.89
  4. Step 4: Simplify right side
    54,328.73x = 1,376,441,225.93
  5. Step 5: Solve for x
    x = 1,376,441,225.93/54,328.73
  6. Step 6: Final answer
    x = 25,335.42

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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.