Home / 48,222.92-72,345.86-20,127.33

Finding the Fourth Proportional to 48,222.92, 72,345.86 and 20,127.33

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Solution

The fourth proportional to 48,222.92, 72,345.86 and 20,127.33 is: 30,195.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,222.92 : 72,345.86 = 20,127.33 : x
  2. Step 2: Convert to fraction form
    48,222.92/72,345.86 = 20,127.33/x
  3. Step 3: Cross multiply
    48,222.92x = 72,345.86 × 20,127.33
  4. Step 4: Simplify right side
    48,222.92x = 1,456,128,897.72
  5. Step 5: Solve for x
    x = 1,456,128,897.72/48,222.92
  6. Step 6: Final answer
    x = 30,195.79

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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.