Home / 48,214.65-72,310.62-13,145.97

Finding the Fourth Proportional to 48,214.65, 72,310.62 and 13,145.97

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Solution

The fourth proportional to 48,214.65, 72,310.62 and 13,145.97 is: 19,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,214.65 : 72,310.62 = 13,145.97 : x
  2. Step 2: Convert to fraction form
    48,214.65/72,310.62 = 13,145.97/x
  3. Step 3: Cross multiply
    48,214.65x = 72,310.62 × 13,145.97
  4. Step 4: Simplify right side
    48,214.65x = 950,593,241.20
  5. Step 5: Solve for x
    x = 950,593,241.20/48,214.65
  6. Step 6: Final answer
    x = 19,715.86

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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.