Home / 48,721.47-73,052.61-19,103.82

Finding the Fourth Proportional to 48,721.47, 73,052.61 and 19,103.82

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Solution

The fourth proportional to 48,721.47, 73,052.61 and 19,103.82 is: 28,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,721.47 : 73,052.61 = 19,103.82 : x
  2. Step 2: Convert to fraction form
    48,721.47/73,052.61 = 19,103.82/x
  3. Step 3: Cross multiply
    48,721.47x = 73,052.61 × 19,103.82
  4. Step 4: Simplify right side
    48,721.47x = 1,395,583,911.97
  5. Step 5: Solve for x
    x = 1,395,583,911.97/48,721.47
  6. Step 6: Final answer
    x = 28,644.13

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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.