Home / 45,057.25-67,595.54-13,469.79

Finding the Fourth Proportional to 45,057.25, 67,595.54 and 13,469.79

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Solution

The fourth proportional to 45,057.25, 67,595.54 and 13,469.79 is: 20,207.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,057.25 : 67,595.54 = 13,469.79 : x
  2. Step 2: Convert to fraction form
    45,057.25/67,595.54 = 13,469.79/x
  3. Step 3: Cross multiply
    45,057.25x = 67,595.54 × 13,469.79
  4. Step 4: Simplify right side
    45,057.25x = 910,497,728.74
  5. Step 5: Solve for x
    x = 910,497,728.74/45,057.25
  6. Step 6: Final answer
    x = 20,207.57

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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.