Home / 48,648.33-67,135.10-28,505.79

Finding the Fourth Proportional to 48,648.33, 67,135.10 and 28,505.79

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Solution

The fourth proportional to 48,648.33, 67,135.10 and 28,505.79 is: 39,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,648.33 : 67,135.10 = 28,505.79 : x
  2. Step 2: Convert to fraction form
    48,648.33/67,135.10 = 28,505.79/x
  3. Step 3: Cross multiply
    48,648.33x = 67,135.10 × 28,505.79
  4. Step 4: Simplify right side
    48,648.33x = 1,913,738,919.70
  5. Step 5: Solve for x
    x = 1,913,738,919.70/48,648.33
  6. Step 6: Final answer
    x = 39,338.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.