Home / 54,351.69-81,523.89-14,905.50

Finding the Fourth Proportional to 54,351.69, 81,523.89 and 14,905.50

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Solution

The fourth proportional to 54,351.69, 81,523.89 and 14,905.50 is: 22,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,351.69 : 81,523.89 = 14,905.50 : x
  2. Step 2: Convert to fraction form
    54,351.69/81,523.89 = 14,905.50/x
  3. Step 3: Cross multiply
    54,351.69x = 81,523.89 × 14,905.50
  4. Step 4: Simplify right side
    54,351.69x = 1,215,154,342.40
  5. Step 5: Solve for x
    x = 1,215,154,342.40/54,351.69
  6. Step 6: Final answer
    x = 22,357.25

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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.