Home / 54,207.56-81,319.08-16,770.83

Finding the Fourth Proportional to 54,207.56, 81,319.08 and 16,770.83

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Solution

The fourth proportional to 54,207.56, 81,319.08 and 16,770.83 is: 25,158.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,207.56 : 81,319.08 = 16,770.83 : x
  2. Step 2: Convert to fraction form
    54,207.56/81,319.08 = 16,770.83/x
  3. Step 3: Cross multiply
    54,207.56x = 81,319.08 × 16,770.83
  4. Step 4: Simplify right side
    54,207.56x = 1,363,788,059.84
  5. Step 5: Solve for x
    x = 1,363,788,059.84/54,207.56
  6. Step 6: Final answer
    x = 25,158.63

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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.