Home / 54,513.86-81,770.51-14,536.99

Finding the Fourth Proportional to 54,513.86, 81,770.51 and 14,536.99

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Solution

The fourth proportional to 54,513.86, 81,770.51 and 14,536.99 is: 21,805.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,513.86 : 81,770.51 = 14,536.99 : x
  2. Step 2: Convert to fraction form
    54,513.86/81,770.51 = 14,536.99/x
  3. Step 3: Cross multiply
    54,513.86x = 81,770.51 × 14,536.99
  4. Step 4: Simplify right side
    54,513.86x = 1,188,697,454.70
  5. Step 5: Solve for x
    x = 1,188,697,454.70/54,513.86
  6. Step 6: Final answer
    x = 21,805.42

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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.