Home / 54,072.14-81,117.43-16,631.39

Finding the Fourth Proportional to 54,072.14, 81,117.43 and 16,631.39

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Solution

The fourth proportional to 54,072.14, 81,117.43 and 16,631.39 is: 24,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,072.14 : 81,117.43 = 16,631.39 : x
  2. Step 2: Convert to fraction form
    54,072.14/81,117.43 = 16,631.39/x
  3. Step 3: Cross multiply
    54,072.14x = 81,117.43 × 16,631.39
  4. Step 4: Simplify right side
    54,072.14x = 1,349,095,775.34
  5. Step 5: Solve for x
    x = 1,349,095,775.34/54,072.14
  6. Step 6: Final answer
    x = 24,949.92

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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.