Home / 48,638.93-72,936.53-47,108.03

Finding the Fourth Proportional to 48,638.93, 72,936.53 and 47,108.03

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Solution

The fourth proportional to 48,638.93, 72,936.53 and 47,108.03 is: 70,640.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,638.93 : 72,936.53 = 47,108.03 : x
  2. Step 2: Convert to fraction form
    48,638.93/72,936.53 = 47,108.03/x
  3. Step 3: Cross multiply
    48,638.93x = 72,936.53 × 47,108.03
  4. Step 4: Simplify right side
    48,638.93x = 3,435,896,007.80
  5. Step 5: Solve for x
    x = 3,435,896,007.80/48,638.93
  6. Step 6: Final answer
    x = 70,640.86

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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.