Home / 48,989.26-67,542.59-31,731.17

Finding the Fourth Proportional to 48,989.26, 67,542.59 and 31,731.17

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Solution

The fourth proportional to 48,989.26, 67,542.59 and 31,731.17 is: 43,748.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,989.26 : 67,542.59 = 31,731.17 : x
  2. Step 2: Convert to fraction form
    48,989.26/67,542.59 = 31,731.17/x
  3. Step 3: Cross multiply
    48,989.26x = 67,542.59 × 31,731.17
  4. Step 4: Simplify right side
    48,989.26x = 2,143,205,405.53
  5. Step 5: Solve for x
    x = 2,143,205,405.53/48,989.26
  6. Step 6: Final answer
    x = 43,748.47

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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.