Home / 52,770.72-79,160.19-15,331.40

Finding the Fourth Proportional to 52,770.72, 79,160.19 and 15,331.40

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Solution

The fourth proportional to 52,770.72, 79,160.19 and 15,331.40 is: 22,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,770.72 : 79,160.19 = 15,331.40 : x
  2. Step 2: Convert to fraction form
    52,770.72/79,160.19 = 15,331.40/x
  3. Step 3: Cross multiply
    52,770.72x = 79,160.19 × 15,331.40
  4. Step 4: Simplify right side
    52,770.72x = 1,213,636,536.97
  5. Step 5: Solve for x
    x = 1,213,636,536.97/52,770.72
  6. Step 6: Final answer
    x = 22,998.29

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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.