Home / 49,793.27-68,718.11-30,420.47

Finding the Fourth Proportional to 49,793.27, 68,718.11 and 30,420.47

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Solution

The fourth proportional to 49,793.27, 68,718.11 and 30,420.47 is: 41,982.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,793.27 : 68,718.11 = 30,420.47 : x
  2. Step 2: Convert to fraction form
    49,793.27/68,718.11 = 30,420.47/x
  3. Step 3: Cross multiply
    49,793.27x = 68,718.11 × 30,420.47
  4. Step 4: Simplify right side
    49,793.27x = 2,090,437,203.71
  5. Step 5: Solve for x
    x = 2,090,437,203.71/49,793.27
  6. Step 6: Final answer
    x = 41,982.32

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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.