Home / 48,979.87-67,515.45-31,954.07

Finding the Fourth Proportional to 48,979.87, 67,515.45 and 31,954.07

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Solution

The fourth proportional to 48,979.87, 67,515.45 and 31,954.07 is: 44,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,979.87 : 67,515.45 = 31,954.07 : x
  2. Step 2: Convert to fraction form
    48,979.87/67,515.45 = 31,954.07/x
  3. Step 3: Cross multiply
    48,979.87x = 67,515.45 × 31,954.07
  4. Step 4: Simplify right side
    48,979.87x = 2,157,393,415.38
  5. Step 5: Solve for x
    x = 2,157,393,415.38/48,979.87
  6. Step 6: Final answer
    x = 44,046.53

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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.