Home / 48,979.64-67,571.75-31,977.99

Finding the Fourth Proportional to 48,979.64, 67,571.75 and 31,977.99

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Solution

The fourth proportional to 48,979.64, 67,571.75 and 31,977.99 is: 44,116.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,979.64 : 67,571.75 = 31,977.99 : x
  2. Step 2: Convert to fraction form
    48,979.64/67,571.75 = 31,977.99/x
  3. Step 3: Cross multiply
    48,979.64x = 67,571.75 × 31,977.99
  4. Step 4: Simplify right side
    48,979.64x = 2,160,808,825.73
  5. Step 5: Solve for x
    x = 2,160,808,825.73/48,979.64
  6. Step 6: Final answer
    x = 44,116.47

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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.